Top Definition
1. A person who is stupid, annoying, a moron, or dumb.

2. A penis that is very small and or thin.
Jason has a dicknail for a penis.

Dirk is being such a dicknail.
by desilu321 January 25, 2012
2 more definitions
On New Year's Eve, the act of Dick Clark successfully counting backwards from 20 to 1 without making any mistakes.
Dick nailed it. Happy New Year!
by dicknailer January 08, 2012
a hangnail on one's penis
"Ew, is that smegma?"
"Nope, just a dicknail."
by JohnnyLurg February 10, 2013

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