look up any word, like demisexual:
 
9.
Not hiding anything or not hiding much. Telling the truth. Being honest. Keepin' it real
He was straight-up when he said he doesn't like the way his boss treats him.
by youknow247son May 21, 2008
 
1.
To be right or for real
Person: That is the coolest thing ever.

Person 2: Straight up.
by Tazzaler October 16, 2005
 
2.
absolutely, totally
straight up gangsta
by JTYRHE June 04, 2004
 
3.
without ice (used when describing drinks)
id like a margarita please.. straight up, no salt
by amanda February 12, 2005
 
4.
to be honest, to not lie, to not hide things behind other's backs. An abbreviation of the term straight up is SU.

Dude just be straight up.

Dude, Jane gave head to greg behind my back, thats not straight up.
by Collotta January 13, 2007
 
5.
NO lies, Honesty, Truthfulness, No B.S., The Real Deal, Word up, etc...
Paula Abdul said it better than I could with the chorus : "Straight up now tell me,
Do you really want to love me forever? Oh, oh, oh...
Or, am I caught in a hit and run?
Straight up now tell me,
Is it gonna be you and me together? Oh, oh, oh...
Are you just having fun?"
by J.Pardner July 26, 2007
 
6.
Pure, absolute, sh*t like that.
Vanilla Straight Up: No sprinkles, toppings, mixes, just vanilla.
by Zach G. August 28, 2004
 
7.
being honest, telling the truth
When he told me about what he had done, I was surprised! I asked him "Straight up?" and he said "Yeah, honest!"
by Pro-Love Girl May 02, 2010