High School Rank
Refers to an instance when a man or a woman leverages their high school popularity status over a member of the opposite sex from their respective academic institution in gain of sexual favors. In laymen's terms: to hook up with a dork from your high school who is hooking up with you because you were significantly cooler than them in high school
"Yo did you know John took home Tricia last night, the girl who worked in the AV department senior year?"
"Oh no way he pulled serious high school rank on her"
"Oh no way he pulled serious high school rank on her"