• to not take drugs, especially after being addicted.

  by WalterGR, Sacramento, CA, USA, Sep 14 2009.

adjective

• fine; OKAY.

  Person A: Do you want some help?
  
  Person B: No, I'm straight.

  by Jake S., Blacksburg, VA, USA, Feb 08 1999.

• heterosexual.

  by Anonymous, Chicago, IL, USA, Mar 22 2002.

• entirely.

  That car of his is straight junk!

  by Monkey Mike, Oakland, CA, USA, Dec 10 2002.

• honest or loyal.

  Are you being straight with me?

  by Anonymous, Jan 04 2003.

• cool, when referring to a person.

  Oh, my friend - he's straight.

  by Kelsey, New Orleans, LA, USA, Sep 09 2003.

adverb

• very.

  That was straight wrong how he broke up with her.

  by James E., Richmond, VA, USA, Dec 07 2004.

interjection

• interjection of approval.

  Person A: I'm on my way over right now.
  
  Person B: Straight.

  by Jake S., Blacksburg, VA, USA, Feb 08 1999.

• yes.

  Person A: You want to go to the party?
  
  Person B: Straight.

  by todd o., West Hartford, CT, USA, Feb 13 2003.