An act of workplace sabotage involving the act of dipping one's penis into a pot of room temperature coffee and leaving it out for others to drink.
Pat: Don't drink the coffee in the garage if it's not fresh.
Shelly: How come?
Pat: Because the supply techs probably messed wirth it.
Mike: If it's cold then they probably did a mushroom Dunk in it.
You're not old enough!
Man, did you know that Mike really knows how to Dunk in the Chunk?
When you squat so low even LeBron James can't dunk that hard
"Dang, Bro! Did you see that booty dunk?
Putting a brave face on a move with only a slight chance of succeeding.
At this moment, getting the job was a slim-dunk, but maybe self-confidence would help.
When your having a wank and accidently jizzed in your belly button on the full
(After wank) fuck I just slam dunked myself again
Where you rub your bare testicals in a circular motion across someones face without their consent.
Me: "Hold him down i'm about to do a Russian Dunk."
Him: "What!!!"