Grand Slam

When a guy is able to have sex with all the sisters and mother of a family.

Did you hear Dave hit a Grand Slam, he had sex with Sara, her mom, and sister (separate occasions).

by Mr.Crayonbox February 23, 2021

Grand Slam

When you suplex a chick during sex and try to put your dick in her vagina as you slam her down

I tried the grand slam last night. I think I sprained my penis.

by rrK_NAFK January 5, 2020

Grand Slam

when you and someone hit all the bases in one night, grand slam.

bella: yo how many bases did you hit last night?
connor: grand slam baby

“wow i hit the grand slam last night!”

by gymgirl150 February 6, 2022

Grand Slam

when the turd you're shitting starts touching the water in the toilet bowl, while still attached to your arsehole.

Evrytime i eat Tex-Mex, i get a Grand Slam

by Nicoprofound April 8, 2006

Grand Slam

When you have a one night stand, but get a piece of ass regardless. Whores do this. And they don't even have to date!

Yo mom had a grand slam date with me last night! Have fun with your new baby brother!

by DeAssFucker December 4, 2003

Grand Slam

A game usually played at high school dances, who's objection is to make out with at least one person from every grade, including your own. Another variation of the game is that, in order to win, you count each person you make out with by points. Someone in your own grade, for example, could rank as lower points than someone in the senior grades. The person with the most points win.

Virginia: We should totally play Grand Slam at semi tonight.
Jared: I definitely won Grand Slam; I'm only a niner and I made out with over 12 grade twelve bitties.

by Virginialikeswomen March 7, 2011

skidmark grand slam

N. The unusual situation of soiling three different pair of underpants in the same day.

What happened to Joey?

He had to go home. He hit a skidmark grand slam.

Man, that sucks.

by LobsterSausage February 28, 2011