"that bitch gave me the subway surprise last night"
"I have an oily stool similar to that of pizza grease in my belly button from that subway surprise"
"I have an oily stool similar to that of pizza grease in my belly button from that subway surprise"
by tunafart February 9, 2009
The Subway surprise, as it were, is a phenomena associated mainly with homosexual men. It is the act of inserting a clear plastic tube into one's anus. Then, a partner slides the other end into his ass. then, partner one defecates into partner two ass, the turd representing a subway car slipping and sliding into the next chocolate train stop. Sometimes, the duo rocks back and forth, sliding said turd between each other.
by The Masticator (Patrick Hayes) May 31, 2008