cari istilah yang lo mau, kaya' donkey punch:
 
1.
sexual act in which one inserts the member between the back of a kneecap and proceeds to thrust. most often fantasized about when lusting over an extremely attractive girl with extremely attractive legs.
oh man, i want to capfuck her.
dari jake stephens, fida z. Jum'at, 11 Maret 2005