Chinese Fuckdrill

A variation of the Chinese Firedrill, a Chinese Fuckdrill is started by a member of a sexual encounter shouting out "CHINESE FUCKDRILL" after which all members switch positions, givers become receivers, and vice versa.

Man 1: Dude, that Chinese Fuckdrill last night was intense
Man 2: Yeah, it was my first time receiving, I loved it