Top Definition
A phrase that's used among farmers that refers to the dirt stain on the side of your fingers that doesn't wash off until winter.
Person 1: Hey have you found any way to get that dirt off your hands?

Person 2: No, that's crud finger, it won't come off until the winter.
by organicintern July 12, 2009
The smell on your finger after fingering a girls asshole.
Dude smell that.
Bro, you got some crudfinger.
I know man I slipped.
by Natedogg27 April 21, 2009
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