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When one partner puts their penis between the butt cheeks of the other, and without actually inserting the penis into the vagina or anus, repeatedly thrusts; Sex with butt cheeks.
1. Last night I went for a dumpster run with Sarah before sliding it in.
2. Oh yes, Hank. Please give me a dumpster run.
by Dumpster Runner December 22, 2016
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