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.

noun

• a hypothetical club whose members are not very "bright", meaning intelligent. Origin: 40-watt lightbulbs aren't very bright.

  He's a member of the 40-watt club.

  by Spacemonkey, Mansfield, TX, USA, Jan 24 2003.

adjective

• satanic.

  That gothic dude is 666.

  by David LaBrie, VA, USA, Sep 23 1997.

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.

noun

• a stupid or unaware person; MORON, DIM-WIT. Origin: term implies that there is nothing but air in the subject's head.

  He's confused again. What an airhead!

  by PJ Spalding, Denver, CO, USA, Oct 15 1997.

• one who owns and rides an air cooled, horizontally opposed, twin cylinder, shaft drive motorcycle, e.g. older BMW motorcycles.

  by Auto, Dec 27 2006.

• an airbrush artist.

  by pam a., Jun 19 2009.

adjective

• shortened form of anal retentive.

  You're very anal today.

  She's complete anal.

  Quit being so anal!

  by Anonymous, Nov 02 1999.

noun

• anal sex.

  Are you into anal?

  by WalterGR, Aug 03 2009.

adjective

• bad.

  This party is analogue.

  by Sam H., Coventry, Coventry, UK, Oct 25 1999.

adjective

• uptight, stingy, conservative; BY THE BOOK. Usually shortened anal.

  Quit being so anal retentive!

  by Tom, Carlsbad, CA 92008, USA, Mar 08 2003.

• uncompromising, strict. Usually shortened anal.

  The professor is so anal about the rules.

  by James W., Waterloo, ON, Canada, May 11 2003.

• compulsive or very picky about doing things a certain way. Usually shortened anal.

  My boyfriend is really anal about his car

  She's anal about her clothes

  by Anabel L., West Covina, CA, USA, Mar 10 2006.

origin

• From Freudian psychoanalysis.

  by Anonymous, Aug 04 2009.

adjective

• old-fashioned; unstylish.

  There's no way I'm buying that antwacky dress.

  by Natalie Liu, Columbia, MO, USA, Nov 06 2001.

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.

adjective

• displeasing. See also the sense of ass meaning "something which is displeasing." Also asstastic; asstacular.

  Her new hair style is pretty assful.

  What is that asstastic smell?

  I saw my asstacular ex-boyfriend at the club last night.

  That restaurant has asstacular service.

  by Chrissy P., Norman, OK, USA, May 19 2002.

verb

• to make something like ass. For example, making something "smell like ass."

  He assed up the room.

  by Ratmotor, Pomona, CA, USA, Feb 26 1999.

• to mess up.

  I think we assed up the acquisition.

  by Adrienne H., Jun 12 2008.

adjective

• strange, stupid; WEIRD.

  Don't worry about Eric, he's just ate up.

  by Pekka Pennanen, Finland, Jun 21 1997.

• not "squared away" (i.e. not organized or prepared: a mess.) If someone does something poorly, they're "ate up." Origin: the United States military. In the example phrase, "soup sandwich" is an example of something messy. Note: eight up may be the correct spelling.

  You're all ate up like a soup sandwich!

  by Nate Marx, Manassas, VA, USA, Mar 26 1998.

• burnt out or exhausted from the use of illegal drugs, usually ecstasy.

  He's really ate up from the rave last night.

  by Maestro, Newark, DE, USA, Apr 17 1998.

• outdone or outperformed in a contest, such as a sporting event.

  Man, you got ate up by that move.

  by Kevin Kronfeld, Cedar Rapids, IA, USA, Dec 22 1999.

• crazy; insane.

  by tiffany, Anderson, IN, USA, Mar 12 2002.

• interested, to the point of near obsession.

  He's ate up about the military.

  by Anonymous, Jul 24 2007.

• to be consumed with an incurable illness.

  Mabel is ate up with the cancer.

  by G. R., Nov 21 2008.

adjective

• strange, stupid; WEIRD. Origin: American rednecks.

  Don't pay any attention to him, he's ate up with the dumb ass.

  by Robert Wren, Round Rock, TX, USA, Mar 13 1998.

adjective

• done or performed incorrectly, strangely, opposite from the correct way, or clumsily; BACKWARDS. Also bass ackwards.

  Sorry, I'm back asswards today.

  Why do you have to do everything back asswards?

  He has this put together bass ackwards.

  by Ben, Chicopee, MA, USA, Jun 30 1998.

adjective

• cold.

  by Anonymous, Oct 01 2001.

adjective

• unbelievable; ridiculous. See also go bananas

  That Chris tucker movie was bananas.

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