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.

other

• acronym of "away from keyboard." Commonly used in online chats. Typically one "goes" AFK, as in the following sentence. One can also use AFK to respond to a message, indicating that one isn't currently available for chatting.

  I need to go AFK to make a phone call.

  Chatter: Hey, are you around?
  
  Response: AFK.

  by The Jargon File, Jul 17 2009.

noun

• some location extremely far away.

  Sorry it took me so long to get here. I had to park my car in the ass-end of space.

  by Kevin Schmidt, Winnipeg, MB, Canada, Dec 30 2002.

notes

• see Butt-Fuck, Egypt.

  by Anonymous, Oct 01 2001.

noun

• a rural location.

  It's boring living out in the boonies.

  by Maurice J., Fall River, MA, USA, Nov 21 2002.

notes

• From the word "boondocks", which has the same meaning.

  by Mary M., Antioch, CA, USA, Dec 28 2003.

noun

• a location inconveniently far away. See also East Bumblefuck.

  You parked way out in Bumblefuck!

  by Maurice J., Fall River, MA, USA, Nov 21 2002.

noun

• an imaginary place where all the residents are hicks, rednecks, or otherwise backwards.

  He's from Bumfuck, Nebraska.

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

noun

• any location inconveniently far away; THE MIDDLE OF NOWHERE.

  Man, you parked way out in Butt-Fuck, Egypt!

  We got lost and ended up in Butt-Fuck, Egypt.

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

• far away from the nearest town.

  I live out in BFE.

  by tony c., Crawfordsville, IN, USA, Jan 19 1999.

• a place which is simply too obscure to remember the name of.

  Yeah, Heidi's kind of strange... but she was raised in Bumblefuck, West Virginia, so it's understandable.

  by Scott M., Sep 11 2004.

notes

• Also
  
  BFE
  
  B.F., Egypt
  
  Beyond Fucking Egypt
  
  Butt-Fucking, Egypt
  
  Bum-Fuck, Egypt
  
  Bum-Fucking, Egypt
  
  Bumble Fuck
  
  Bumble Fuck, Egypt
  
  Cairo
  
  Egypt
  
  East Butt-Fuck
  
  East Bumble-Fuck

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

origin

• The term comes from the region of southern Illinois known as "Little Egypt." One of its towns is Cairo. It is far away from Chicago both geographically and culturally.

  by fowler j., Kansas City, MO, USA, Jul 29 1998.

noun

• any location inconveniently far away. See also Butt-Fuck, Egypt.

  Man, you live out in Cairo.

  by Chuck, WA, USA, Dec 20 2002.

origin

• The term comes from the region of southern Illinois known as "Little Egypt." One of its towns is Cairo. It is far away from Chicago both geographically and culturally.

  by fowler j., Kansas City, MO, USA, Jul 29 1998.

adjective

• out of alignment; CROOKED.

  I need to get my wheels aligned. They're sitting all cattywompus.

  by Truus V., The Netherlands, Jun 25 2002.

• diagonally across from something else.

  Her house was conveniently located cattywompus from the post office.

  The wastebasket into which she attempted to vomit, was only cattywompus from her mouth. Nevertheless, she regretfully painted the walls instead.

  by Melanie Arnold Meri and Angie Knight, IN, USA, Dec 26 2002.

noun

• a location inconveniently far away. Also East Bumfuck. See also Bumblefuck.

  You parked way out in East Bumblefuck!

  That party was chill, but it was in East Bumblefuck.

  by trixie, May 19 1999.

noun

• a location inconveniently far away. Also used is the less offensive East Bumble-fuck.

  You live way out in East Butt-fuck.

  by Anonymous, Oct 01 2001.

noun

• a very distant place. See also Butt-Fuck, Egypt.

  I'm not going to his party. He lives way out in Egypt!

  by Charles Chagnon, Los Angeles, CA, USA, May 27 1998.

noun

• any location far away. Subjective, usually used to refer to anywhere it would be a hassle to travel to.

  That's way out in Guam!

  by James Bell, Los Angeles, CA, USA, Nov 25 1997.

adjective

• "your."

  Where yo car?

  by Anonymous, May 07 2004.

interjection

• used to get someone's attention.

  Yo, come here.

  by John Nelson, Lufkin, TX, USA, Sep 12 1997.

• used at the end of a sentence to emphasize a point.

  What's up, yo?

  You going to hook me up, yo?

  That's my knife, yo.

  by John Nelson, Lufkin, TX, USA, Sep 12 1997.

• used as a prefix to a greeting.

  Yo, man, what's up?

  by John Nelson, Lufkin, TX, USA, Sep 12 1997.

noun

• "year old."

  by WalterGR, Aug 11 2009.

notes

• "Yo" is the first person pronoun (i.e. "I") in Spanish.

  by John Nelson, Lufkin, TX, USA, Sep 12 1997.