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Self gratification during an experience which is less than hygienic.
After a night of significant alcohol consumption, Alex awoke in his tent to find soot from the earlier evenings fire in his underpants. He then realized he was guilty of committing a dirt jerk.

Alex knew that the handle on the bathroom stall was dirty but personal need got the better of him and the dirt jerk became the only solution.

Heather figured that Alex was a dirt jerker and decided to reject his advances.
by 3nothappening November 24, 2010