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A floppy penis is where a fully grown male has a penis that will droop for the rest of his life. His penis will hang down in shame and never become erect even if he takes viagra!
The women screamed in horror as she realised he had a floppy penis
by Chris2603 November 10, 2016
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a Floppy Penis is when your dick/shaft is not hard and is floppy.
a Floppy Penis can also be and insult used at someone who's being a pussy.
sorry bae i've got a Floppy Penis
NATHAN you Floppy Penis
by HentaiHeaven July 31, 2018
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Having a long enough penis that, when flacid, it flops around in your pants.
" yo did you see that guys floppy penis? It was almost down to his knee!"
via giphy
by REEEEEal MVP September 24, 2018
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