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 02, 2005
Top Definition
A rediculous exclamation used by people who don't know the difference between the word custard (a delicious pudding-like treat) and cluster (a gathering or mass).
Megan: There was a custardfuck of scene kids downtown last friday.
Morgan: Custardfuck? Megan, you are one beautiful but silly gosling.
by Morgan and Megan June 23, 2007
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