1 definition by anonymousposterofshit

To hassen someone is to have anal sex with them. Only the male can hassen someone, as it's only considered "hassening" when a penis enters an anus.
Kid 1: Did you hear? Steven and Savannah had anal sex!
Kid 2: Yeah! I heard Savannah got hassened realll good!
by anonymousposterofshit October 12, 2009
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