Top Definition
The often plastic recepticle in which men masturbate into for either dontation or insemination of their sperm.
'Sir please ejaculate your semen into the "Fuck Cup" and then hand it into the front desk.'
by Marvelous 4 Eva July 05, 2003
A fuckcup is a cup in beer pong when the ball spins around the top rim of the cup and jumps out.
*ball goes in and out of the cup*
That cup is a fuckcup.
by tkast February 04, 2011
its one of dem cups dat u fuck in.. they come in industrial and revelutionary sizes... better known as female condoms..
that fuck cup made snot cum outta my ass!
by the parsh January 31, 2003

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