Thick semen. As found in good porno movies after the pop shot.
Dude 1: "I just watched 'Bukkake Cum Sluts Vol. 6' - man, I ain't seen so much fuck custard ever!"
Dude 2: "Dude, lend me that - NOW!"
by Wizards Sleeve June 16, 2007
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1.A custard fuck is when a man or women rubs custard all over the other sex partner and starts fucking them. The heat from the bodies cause the custard to turn into milk.

Custard Types
1. Vanilla
2. Chocolate
3. Swirl
Gerald bought custard from rita's and went home to custard fuck his girlfriend.
by D-Money and Casey April 3, 2005
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an ultimate cunt who should be liquidised into thalidomide wank oil and festering decomposed spunk
((wank spanners basatoradorial fuck custard) a third dan black belt shit house and fuck custard who should be stir fried in hot synthetic Kentucky fried dog shit after being arse fucked by a bisexual octopus, while his balls are steamed cleaned in hot camels piss. a), a mark five cunt with power steering and overdrive.
by bucket crutch 2 April 20, 2022
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