Inside relative grand slam

A man scoring 4 different generations of women at the same time within the same family

"Hey Bobby, I went to my girlfriend's family reunion, and I scored an inside relative grand slam!"

by BeatleBabe007 September 18, 2024

Grand Slam

When you fuck six girls at once by sticking your dick in one girls, your tongue in another, and your hands and feet in the pussy of the four remaining girls. Note: there will be a lot of moaning and it will look like you have girls growing off of your limbs.

I just Grand Slammed the six hottest girls is school last night!

by globglogabgalab21 June 9, 2019

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

Term is used to describe the event of when you wake up with major morning wood the size of a Denny's plate full of breakfast awesomeness.

Eric: I woke up on my girlfriend's mom's couch to her whole family staring at my grand slam! Needless to say, they were quite impressed.

by RiddyTX June 17, 2015

Grand Slam

when in a single night a person shits themselves, pisses themselves and throws up all over themselves due to drinking to much alcohol.

“Holy shit, Anika just pulled a Grand Slam”

by handcrafted October 15, 2018

West Virginia Grand Slam

The act of filling her main 3 holes with cum and then slapping her in the face with your penis afterwards.

“I did a West Virginia Grand Slam to her the other day.”

by TheBangerOfMothers April 12, 2025