Top Definition
The most discusting floppy pussy you have ever seen. Or a dirogitory remark to say to someone you don't like.(Cause they dont know what it means either).
"This girl last night had the biggest Poon Flop i have ever seen."

"Get over here you fucking Poon Flop."
by Crazylson September 28, 2009
5 Words related to Poon Flop

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