Top Definition
To masturbate and allow the sperm to stream down ur dick, leaving it until it dries then fucking a girl.
Dude, I was wanking hard last night until my girlfriend called me and said she wanted me to come over. At first I was a little pissed, but then I decide to just give her a crusty willie.
by J I Z Z L E March 16, 2009
9 Words related to crusty willie

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