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

Wii Backdoor Swing

The act of taking a Nintendo Wii-mote and shoving it up your friends asshole, then lifting them up and using them as a WIi-mote.

"Dude, this games way too hard. Let me do the Wii Backdoor Swing to make this game a little harder."

by SkibidiSigma87 February 20, 2025

Backdoor Grind

When a couple is naked and the man lays face down in bed while the woman sits on the upper half of his butt and gives him a backrub while simultaneously using his Coccyx bone to masturbate with.

Last night I fell asleep to my lady giving me the backdoor grind.

by Fifthbeetle July 16, 2024

backdoor cold-front

The act of inserting an ice cube into the anus of a sexual partner while engaged in doggy-style sex.

Things were getting so hot in bed I gave her a backdoor cold-front and really made her scream.

by pretentious earthican May 12, 2025

backdoor BBQ

The act of performing a Hot Karl, then using the penis as if it were a paint brush, to spread the feces on the person that shitted on the penis' rib's, making it seem like they are covered in Barbecue Sauce

Female: I let male character Backdoor BBQ me last night!

Male: I totally backdoor BBQ'd that bitch, shes into some weird shit

by omfgidk November 25, 2021

BackDoor Bozo

When someone dresses as a clown and shoves an animal balloon up the rectum of their partner and proceeds to blow into the balloon.

Hey did you hear about what happened with John and Martha.
No what?
She gave him a "BackDoor Bozo"!

by DrWarde June 23, 2021

Backdoor fudge

The southern way of sayin shit

Hey i gotta go to the bathroom cause i gotta make some backdoor fudge

by Lilsavsav July 4, 2021