noun

• a smart, possibly nerdy person.

  Look at Tyler do those math problems. He sure is a brain!

  by Stuart O., Tallahassee, FL, USA, Jan 17 1999.

• fellatio.

  I asked this girl to give me some brain and she said that she doesn't do that.

  by Johnny "., Columbia, SC, USA, Jun 08 2002.

verb

• to hit someone in the head quite hard.

  He wouldn't stop messing with me so I brained him.

  by Cat, Seattle, WA, USA, Aug 13 1997.

adjective

• intelligent.

  Boy, is he bright!

  I'm so bright my momma calls me "sun"! (Note: this is a play on the homonyms "son" and "sun.")

  by Anonymous, Jul 17 2007.

intransitive verb

• to leave. Also head out.

  See you later. I gotta head.

  by Jackie, Santa Rosa, CA, USA, Nov 21 1999.

noun

• a person who has both street and book knowledge.

  by Sandrea Sanders, St Louis, MO, USA, Dec 10 1996.

• someone who uses illegal drugs.

  by Robert Geddings, Dec 16 1996.

• fellatio or cunnilingus.

  She gives good head.

  by CHRIS M., New York, NY, USA, May 11 1999.

• a person.

  There are a lot of heads in this party.

  by Annette, Naples, FL, USA, Dec 02 2001.

• a rest-room or toilet. Origin: the military.

  I'm going to go use the head.

  by Anonymous, Jan 02 2003.

noun

• a person with skill in a particular subject or trade.

  She's a real whiz when it comes to math!

  by Anonymous, Oct 01 2001.

• urine.

  He got whiz all over himself.

  by Anonymous, Oct 01 2001.

verb

• to urinate.

  I've got to go whiz.

  by Anonymous, Oct 01 2001.