Grand Slam

Like a slam, only grand.

Oh man, that was a grand slam right outta the ballpark!

by Matt November 3, 2003

Grand Slam

A meal served at Denny's. Usually consists of eggs, sausage, pancakes, and a drink.

I ordered the Grand Slam for breakfast.

by MoleDeMesa October 2, 2003

Grand Slam

When you have a joint,Blunt,Bong,vaporizer one after another

Alfred Giggles:I have a quarter o , do you guys want to do a grand slam

Arnie Berkwitz: as long as it is free

by dj dubsack jones December 26, 2008

Grand Slam

A sex move that involves two guys getting it up the ass in weird ways.

Eww, I heard Jamie was Grand Slamming Jordan last night!

by Forgott|e|n August 28, 2008

Grand Slam

The act of lodging the wide end of a tennis racket into ones rectum.

After I was done cumming on Jenny, I finished her off with a Grand Slam.

by TheCerealKiller June 16, 2014

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 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