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1. (Noun) A mole or wart-like blemish on the shaft of the male penis; usually accented by the presence of one to three hairs protruding from the top.

3. (Adjective) a male who has trouble maintaining an erection during oral sex unless the female companion assists with digital insertion to the male's anus.
1. So did you go down on him?? No, I gave him a hand job because he had a huge dunkelbarger on his dick.

2. Dave's such a dunkelbarger. He goes limp unless I finger his ass
by Pablo Bristly August 08, 2014
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