1 definition by smoke the ganja

A flounder fuck, sometimes referred to as a flounder fucking, is when you are participating in sexual intercourse with a women and you make her pussy so wet that actual, legitimate fish start to inhabit the women's vagina.
Cj: Yo I fucked that bitch so hard last night

Logan: Damn man, you gave that bitch a flounder fuck.
by smoke the ganja September 18, 2016
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