Semitration is when only partial penetration occurs during intercourse, for one reason or another
Guy 1: Did you fuck her last night?

Guy 2: Naa, we were getting frisky and I was semitrating her, but didn't have a condom

Dude 1: Did you fuck her last night?

Dude 2: Well semitration occurred, but I was too drunk to carry on
by gonzo89cb November 13, 2009
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