1 definition by martin grammatica

1. To engage in pre-adolescent hijinks that generally annoy stodgy adults who were raised in a different time.
2. To ass-rape someone in the shower.
"Why is everybody so upest with what Jerry did, all i heard he did was horse around with some kids at camp?"

"Yes, but the bad kind of horsing around."

"Oh, Jesus."
by martin grammatica November 17, 2011
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