Top Definition
When in an attempt to insert a semi erect penis into the vaginal tunnel, the penis curls up like a donut.
"Yo dude i was trying to nail this fat chick but my brain wouldnt let me get it up i had DONUT DICK!"
by Alec and Steve April 20, 2008
1 more definition
A Dick that has had the inner tube stretched by a dildo. it is very messy for the victim to release fluids from the shaft after this; it is a similar experience to sticking a two liter soda bottle in to a bendy straw... they both split.
After a 2 kids in a sandbox experience one is left with a donut dick.
by the cracked shaft November 12, 2009

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