Fratlaps

What you need:

1 4x4 pick-up truck (preferably a z71 but an F-series will work in a pinch)
? cases of cheep beer depending on number of people and itchiness of your vaginas (natty, hi life, beast...none of that pussy pbr shit)
1 lawn chair (per person)
Fraternity letters affixed to the rear window of said pick-up truck

what you will do:
-Load up as many as can fit into the bed of the pick-up.
-Drive around the sorority dorms during rush week as the new freshmen (fresh meat!) walks around from dorm to dorm in their Sunday best.
-Blast bad generic country music.
-Yell horribly offensive things at said girls.
-Inform them of parties (in your pants and otherwise).
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...
...
profit!