What is Crack Yack?
1.
To put the hose end of a beer bong into someone's anus and vomit into the funnel. Also known as giving someone a roman thong bong.
When I woke up and my anus was leaking puke, I knew then and there I was a victim of a crack yack.
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1.
A group that go to a bar for the first time and get drunk and throw up at the same bar the same night and then get known as regulars aka..