St. Louis Surprise

The act of vomiting on someone unexpectedly.

Joe: Yes that's right I just vomited on you unexpectedly.
Beau: Damn dude, I'm gonna kill you!
Joe: No it's cool, that's a St. Louis Surprise.
Beau: Oh, right...

by Don Turgenson April 11, 2008

St. Louis Backdoor Surprise

Putting Molly in someone's asshole while fucking.

Popularized in St. Louis by Cardinal fans

She gave me the St. Louis backdoor surprise after the Cardinals' game.

by buttchug32 October 10, 2025