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
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To do something honestly, definitely, exactly, or without making a mistake.
It is often said for emphasis
Guy 1: Dude, I straight up banged your mom last night!
Guy 2: Not cool man.
by Tarboy9 July 23, 2015
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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
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like the straight arrow, flying forward towards its target, straight up gets straight to the point. No bullshit, I am telling you exactly what I mean.
We should go to a movie straight up.
Dude straight up, lets do this.
by Andrew Shea August 23, 2004
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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
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