• You are mentally ill enough to be locked up. You're a nut, fruitloop, loon, whacked.....
  
  That crazy mo'fo needs to be 5150'd.
  
  5150 is the penal code for involuntary commitment to a mental hospital or ward in many states.
  
  Note, if you are nuts, using the term in reference to anything or anyone isn't offensive to the mentally ill community. It's reclamation.

  by Anonymous, Aug 28 2009  (Edit definition)

• Long Island Iced Tea.

  Man, I could really go for a 516 right about now.

  by A.M., WI, USA, Nov 21 1999  (Edit definition)

verb

• to be inadequate or displeasing, to suck. Origin: leet spelling.

  That is the 5ux0r

  by Robbie G., Stroud, Hampshire, UK, Feb 13 2006  (Edit definition)

• see six.

  by WalterGR, Sacramento, CA, USA, Sep 21 2009  (Edit definition)

• crazy, insane, unstable. pronounced (seven thirty)

  by Leonard R., Saint Petersburg, FL, USA, May 20 2004  (Edit definition)

adjective

• drunk. Refers to 80 proof, the most common concentration of hard liquor.

  Missy, how drunk are you? I'm 80.

  by Missy, Chicago, IL, USA, Nov 29 2003  (Edit definition)

• a Roland 808 drum machine.

  by WalterGR, Sacramento, CA, USA, Sep 21 2009  (Edit definition)

• in pager mnemonics, spells "BOB".

  by "THE WIZ", Plano, TX, USA, Jan 08 2010  (Edit definition)

• the state of Hawaii.

  by Anonymous, Jan 08 2010  (Edit definition)

• Cut off from the person making the comment. No longer connected.

  He's gonna be 86 if he dosn't call me back!

  by Britny S., CA, USA, May 17 1999  (Edit definition)

• To get rid off, dispose, throw away. in short -- to make ..... no more.

  your girl dumped you yesterday? Yeah I got 86'ed.

  by Eric D., Watertown, MA, USA, May 07 2002  (Edit definition)

• a term used in resturants when they are out of something or they get rid of something.

  by Anonymous, Charleston, WV, USA, Dec 03 2004  (Edit definition)

• to eject from a venue.

  I was 86ed from the bar last night.

  by WalterGR, Sacramento, CA, USA, Feb 05 2010  (Edit definition)

verb

• to get rid of something

  She was cheating on me, so I had to "86" her

  I need to 86 my job.

  by Anonymous, Charleston, WV, USA, Dec 03 2004  (Edit definition)

• alternate way of writing 808.

  by WalterGR, Sacramento, CA, USA, Jan 08 2010  (Edit definition)

noun

• a 9 millimeter pistol. A favorite amongst many rappers.

  Hand me a 9 and I'll defeat foes.

  by Jonathan G., Queens, NY, USA, May 16 1999  (Edit definition)

• 909 is a derrogatory reference to the California Inland Empire, taken from its area code. It generally means "far away and not worth going to." It has been popularized in slang by the radio deejays Kevin and Bean, who constantly dis on the 909 and all its residents as unsavory.

  Dude, Ian lives out in the nine-oh-nine. I'm not going to BFE for some lame party.

  by Nicole, Huntington Beach, CA, USA, Mar 05 2003  (Edit definition)