When a girl is all over a guy, it can be referred to as " That girl is all up on his jock" Jock meaning "dick"
Jaden: Oh my god logan is so sexy like omfg I was wanna hop on him and fuck

Logan: Bitch I got a girlfriend

Shana: Yea why are you all up on his jock
by TrojanOG October 27, 2013
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