Sexual act involving the connection of three human beings via face to bung hole. In most cases knee caps are broken to simulate proper centipede moving mechanisms.
A sex position where three people kneel on the ground in a line and give each mouth-to-anal stimulation. Hence making a position that resembles the human centipiede movie characters.
Dude 1: I wanna eat his ass so good.
Dude 2: Well I kinda wanna eat yours.
A siamese triplet created by surgically attaching three people together to mouth to anus. Food from person one passes through person two, which passes and is finallyexcreted through person three.