When someones finger petrudes deeply into one's anus causing a stimulation of the brain, then sending brain waves down to the groin, causing a sudden enlargment of the penis.
Bruh, i got such a straight up from you last night . Your fingers are like magic ass pixies.
by prick flickers January 16, 2015
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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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To be right or for real
Person: That is the coolest thing ever.

Person 2: Straight up.
by Tazzaler October 16, 2005
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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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