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2.
This is a word that you call homosexual men and little sluts who sleeps with everyone! The term means, that whoever you are calling this too, they like to fuck, and have sex a LOT!
Sidni, you are a little dickdunker! Quit being such a little slut!
by Maria Peters September 17, 2007
 
1.
A person who violently inserts their dick into a crevice.
Joe is a true dick dunker. Stuck that shit in her mouth so far it was touching her lungs.
by wonton! November 04, 2007