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Usually a noun: Stinky dink is a half-expose turd log that is so large it can be used like a cock.

Can also be a verb: as in getting / giving the stinky dink.
That turdomizer really loves workin' that chick's stinky dink. I bet he'll come out of the closet soon
by Mark May 03, 2005
A condition that makes the dick really smelly. Often the result of untreated infection or unwashed genitals after masturbation, urination, or excess sweating.
Dude, you really need to shower after work. You got a serious case of stinkydink and I can smell you from here.
by Theolax March 19, 2013