Top Definition
The act of plopping ones testicle's into a female's vagina, and masturbating; causing an exhilarating squishy sensation, and stimulating the greatest orgasm known to man.
Ever since Rachel started giving me The Fish Wrinkle Cup, our relationship is the strongest it's ever been.
by SnailWhale May 29, 2014
5 Words related to Fish Wrinkle Cup

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