adjective

• missing or misplaced.

  My car keys are 404.

  by Eric B., Fort Worth, TX, USA, Aug 10 1998.

noun

• an unintelligent person; MORON, DIMWIT.

  I wouldn't ask him, he's a 404.

  by Walt W., Natick, Massachusetts, USA, Jun 17 2003.

• a worthless person, place, or thing.

  Don't go to that bar - it's a 404.

  by Robbie G., Stroud, Hampshire, UK, Feb 13 2006.

verb

• to not know or temporarily forget; DRAW A BLANK.

  I'm 404ing on that.

  by The Jargon File, Aug 04 2009.

origin

• 404 is the web code for "web page not found."

  by Anonymous, Jul 17 2007.

adverb

• absolutely. The insertion of "fucking" places emphasis on the use of "absolutely."

  I have abso-fucking-lutely too much homework.

  by Nate, Apr 22 1998.

interjection

• as a question, to enquire whether someone is present.

  Speaker: ACK?
  
  Response: ACK.

  by Anonymous, Sep 28 2008.

• to affirm one's presence. An appropriate response to ping.

  Speaker: Are you there?
  
  Response: ACK.

  Speaker: ping
  
  Response: ACK.

  by Anonymous, Sep 28 2008.

• an exclamation of surprise or alarm.

  Ack!

  by Anonymous, Sep 28 2008.

• yes.

  Speaker: Do you want to shop for monitors?
  
  Response: ACK.

  by Anonymous, Sep 28 2008.

origin

• ACK is an abbreviation of "acknowledged," used commonly in computing. See also NAK. Note that "ack" as an exclamation of surprise or alarm has no relation to computing.

  by The Jargon File, Sep 28 2009.

verb

• to act foolish; under the influence of alcohol or drugs; or to do something dangerous.

  That boy was actin' last night.

  by Brian, Downingtown, PA, USA, Oct 15 2002.

suffix

• used after a word as an intensifier or just for flair.

  We need some serious drinkage.

  There has to be a stoppage.

  Gimme some doobage.

  I can't turn in this paper! It's got some serious creasage going on.

  by Emily, UC Berkeley, Berkeley, CA, USA, Jan 13 1998.

adjective

• wild almost to the point of losing control, but effective.

  When you got up on the table and started lecturing us, that was pretty aggro!

  by Kevin Watson, Southern, Kawartha Lakes, ON, Canada, Nov 10 1997.

• aggravated; angry.

  Everything was cool then he just went aggro.

  by Weal Acodificare, USA, Mar 21 1999.

• "aggressive", from the US West Coast surfing / skateboarding culture.

  Alva and Peralta's aggro style changed skateboarding forever.

  by Michael M., Aug 21 2002.

noun

• aggravation. Also abbreviated ag, but pronounced in its full form in south-east England and other areas. To "look for aggro" is to look for a fight.

  He's been getting a bit of aggro from his boss.

  by Mark Ostrowski, Mongolia, Jun 05 1997.

• In computer MMORPGs (massively-multiplayer online role playing games,) "anger" that the in-game characters have towards your player. Usually received when you attack them.

  If you get aggro, the goblin is going to take 50 of your hit points.

  by Sam, Jun 25 2008.

intensifier

• used to indicate an extreme condition or an excessive amount. Can also be used by itself or in response to someone. Also and a quarter.

  Man, I've got a cold and a half.

  Speaker: You got some beer?
  
  Response: And a half!

  You are a jerk and a quarter!

  by Emily M., UC Berkeley, Berkeley, CA, USA, Jan 13 1998.

intensifier

• used to indicate an extreme condition or an excessive amount. Can also be used by itself or in response to someone. Also and a half.

  You are a jerk and a quarter!

  by Mik B., Town, Wisconsin Dells, WI 53965, USA, Oct 28 2001.

adverb

• very; really; extremely.

  She's old as cheese!

  by Jonique, New Orleans, LA, USA, Jun 28 1997.

adverb

• used after an adjective to indicate extremes or excessiveness; VERY; REALLY; EXTREMELY.

  Look at that big-ass zit on his nose!

  That's an expensive-ass car!

  Look at that hot-ass chick over there!

  by Sarah, KS, USA, Nov 06 1998.

noun

• anything displeasing.

  I feel like ass today.

  That car looks like ass.

  This room smells like ass.

  This pizza tastes like ass.

  by Caitlin, San Francisco, CA, USA, Mar 25 1998.

• one's body.

  Your ass better be at the meeting tomorrow!

  by Holly, Birmingham, AL, USA, Oct 22 1999.

• one who exhibits complete ignorance and disregard for social norms, customs, and practices.

  You ass! They don't speak German in Mexico.

  by Simon, Canaan, NY, USA, Oct 19 2001.

• sexual contact. Typically implies intercourse, but can also apply to oral sex, "fooling around," etc.

  I gotta get some ass.

  She gave up the ass on the first day.

  You know he's just in it for the ass.

  by Dennis, San Francisco, CA, USA, Oct 21 2001.

• an obscene quantity. Shortened form of ass-load.

  My English 102 professor is making us read an ass of novels this semester!

  by James W., Columbia, SC, USA, Dec 14 2001.

• one who behaves in an offensive, pompous manner; JERK. Also ass face; ass munch; ass wipe; and many other varieties.

  Don't be such an ass.

  Yeah, I feel really bad about that. I was an ass to her.

  by Susan, San Jose, CA, USA, Jun 03 2002.

• FOOL; IDIOT.

  What an ass.

  by Anonymous, Apr 21 2004.

• buttocks.

  Nice ass.

  by Anonymous, Jul 24 2007.

noun

• a great quantity. More than a butt-load but less than a shit-load.

  I just ate an ass-load of tacos!

  I would have bought that comic book collection, but they wanted an ass-load of money for it.

  by Tom Lee, Arlington, VA, USA, Feb 21 1997.

• an excessive amount.

  by annonymous, Tampa, FL, USA, Apr 23 2008.

adjective

• empty. Usually refers to a marijuana smoking device. Origin: the "traditional" term to describe an empty marijuana smoking device is cashed. This term is a play on words - an ATM (automated teller machine) being a machine which dispenses "cash" (money.)

  I think the bowl is ATMed.

  by John, Wolfeboro, NH, USA, Dec 20 2001.

noun

• a female with small breasts.

  by Kevin H., Cedar Rapids, IA, USA, Nov 29 2001.

origin

• The phrase "flat as a pancake" is also used to describe females with small breasts. In the United States, people often eat pancakes with Maple syrup on top. Aunt Jemima is a well-known brand of Maple syrup. So "Aunt Jemima" = Maple syrup = pancakes = flat as a pancake.

  by Kevin H., Cedar Rapids, IA, USA, Nov 29 2001.

noun

• large, prominently supported breasts.

  She's got a balcony you could do Shakespeare from!
  
  -- from the Firesign Theater play "Don't Crush That Dwarf, Hand Me The Pliers", 1971

  by Philip T., Chicago, IL, USA, Oct 08 1998.

adjective

• out of luck; having failed or lost.

  Speaker A: Did you get the job?
  
  Speaker B: No, I'm balls.

  We're balls. Balls!!

  by james s., NJ, USA, Jun 08 1999.

adverb

• very; extremely. Also balls-ass.

  It is balls cold out here.

  I'm balls tired.

  by James O, Bluefield, WV, USA, Apr 29 1999.

interjection

• exclamation of disappointment.

  Oh balls!

  by John V., Feb 04 1999.

noun

• testicles.

  The baseball hit him right in the balls.

  by Mia X, Nov 05 1999.

• bravado, courage; GUTS. In this sense, "balls" still means "testicles," but "having balls" implies bravado. Having large "balls" or many "balls" implies even more bravado. (The "having testicles" = "bravado" relationship exists in other languages, e.g. "tener cojones" in Spanish.)

  You've got balls to do something like that!

  That dude must have enormous balls!

  You've got a lot of balls showing your face in here.

  by Avalon D., Chicago, IL, USA, Sep 18 2002.

notes

• See ball; baller

  by WalterGR, Sacramento, CA, USA, Aug 12 2009.

adjective

• extreme.

  That was one balls-out street race!

  by Brad W., Portland, OR, USA, Feb 03 2003.

adverb

• with reckless abandon and extreme courage; HEAD-LONG; WITH A FULL HEAD OF STEAM; GIVING IT ONE'S ALL.

  Those motorcyclists took that steep hill balls out!

  You just have to go balls out to win this game.

  by Jon L., Naples, FL, USA, May 22 1999.

notes

• also balls to the wall.

  by Alan H., New York, NY, USA, Jul 31 1998.

• Possible etymology: The original phrase is actually hinted to in the expression "with a full head of steam". In the earliest days of steam engines, Watt style engines and their successors used a centrifugal governor to control speed. The faster the engine was to run the higher the weighted balls on the governor would rise until at full speed they were at their highest and farthest reach from the center: high or full speed was known as running "balls out".

  by tg, Georgia, USA, Feb 29 2008.

adjective

• unbelievable; ridiculous. See also go bananas

  That Chris tucker movie was bananas.

  by Demetrius Scruggs, FL, USA, Dec 22 1997.

adjective

• in a grand way.

  After she wrecked her parents car, she was in trouble big-time.

  by WalterGR, Sacramento, CA, USA, Dec 29 1996.