Relating to poon as used in referring to someone weak.

A poon slice is someone who is a weak and has been identified as such.
Person does or says something that puts his manhood into question.

"I don't think I'm drinking tonight. I'm going to stay home and catch up on some readings for class."

"Man, you're such a poon slice."
by Mohinder Sandhu December 10, 2009
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