The art of placing your penis underneath an elderly woman's boob and thrusting, thus causing it to flop and turn a watermelon-red color.
"Dude, your grandma was smokin last night."
"Ew gross man!"
"Yeah I totally gave her a floppy watermelon. Twice."
Dicks'n'Sizzleによって 2014年02月26日(水)

Words related to floppy watermelon

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