Grand Slam

Having sex with 3 women at the same time and having enough stamina to give all 3 of them an orgasm before you yourself have an orgasm.

Dude I had a grand slam last night!

by Agentzippo July 22, 2015

Grand Slam

In Counter-Strike, a Grand Slam is the act of clutching one versus five to win a game / series.

I hit my first ever Grand Slam the other day, you wouldn't believe it! A one-versus-five at 14-15, what a game!

by walterP_tv February 15, 2018

Five W's and 1 H is a grand slam in baseball (direct questions)...

What I call homo-sapiens who are addicted to abscesses.

Person 1: Are you addicted to abscesses?
Person 2: Yes.
Person 1: Five W's and 1 H is a grand slam in baseball (direct questions)...

by LeSouffleDeVersailles January 24, 2025

Grand Slam girl

a fake tennis fan who only follows the Grand Slams and none of the smaller tennis tournaments

S: Omg, did you watch Indian Wells last night? That Delpo match was insane!
N: Uhh... durr... what?
S: Ugh, you're such a Grand Slam girl.

by FThunder526 May 17, 2018

Rhode Island Grand Slam

The act of spitting on a females pussy and doing a 360 backflip and landing in the girls pussy.

I landed a Rhode Island Grand Slam on Jessica last night.

by jugzjudy April 17, 2023

Grand Slam

When you full send for a coveted 4 days in a row

“Ready to for the long weekend?”
“Yeah, I’m going full send for a grand slam!”

by fullsend101 September 27, 2018

grand slam

anal sex

4th base?
No. Grand slam! Right in the ass!

by bcimchuckbass March 1, 2014