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1.
When two men are engaging in anal sex, and the man who's inserting his penis' balls slap against the other man's anus, to an extent where a fudge-like coating of feces over both nuts is created.

Also, a kind of coffee.
"We were going at it so hard I had a double nut fudge"

or

"Are you going to have the double nut fudge, or try the Brooklyn brew?"
by xylobone November 09, 2009

Words related to double nut fudge

fudge nut anal anal sex balls fudgepacker