Top Definition
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.
by Clyde Barstow May 13, 2012
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