To fall over or to trip someone up.
1. See that bruise? I stacked it with keys in my pocket.
2. I'm gonna stack that guy right into the wall.
by Quiet Robert December 6, 2004
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When multiple people take shits in the same toilet without flushing. Then draining the water out of the toilet.
Me and my friends were stacking the toilet so everyone could see it.
by Brandon 6678 May 14, 2006
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To possess a lot of money or be extremely rich.
Niggaz be addin' and subtractin' just to figure out without a doubt that we stackin'.
by Nick D April 12, 2004
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A male having sexual intercourse with two (or more) women "stacked" on top of one another. Possible positions include one woman on her hands and knees with another woman lying atop her on her back, or multiple women "stacked" doggy style.
"Did you see that hung stud stacking his bitches?! Damn!"
by Buck Goodrich August 13, 2006
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1.To be beyond belief, to be pleasing, cool/great
2. having a large bust/boobage
1. Did u c the wheelie I did on the Highway?? That was so stacked!

2. She's only popular wit' the boyz cuz she's totally stacked!
by EJayne November 27, 2007
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An orgy consisting of 5 or more people in one bed.
by Whrehound June 4, 2010
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To bring or pile something or a situation on.
So whats the going on withcha', just stack it!
by Demicci D. Dior-Britt October 4, 2007
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