Granny Grand slam

Take a Dab, take a shot of liquor, take a bong rip of weed, chug a beer, and exhale. All in one breathe makes the "granny grand slam". First performed by a youtube "grandma". Taking the "strikeout" to the next level.

My friends and I took some granny grand slams last night, we got peeled back!

by Walleyewacker11 September 26, 2018

Grand Slam

When four or more of your friends hook up with the same girl at different times. Can only be completed if each person goes all the way (i.e. hitting a home run).

Dude, me, Bobby, Ned, and Tom hit a Grand Slam with Jennie.

by YaMumz September 10, 2014

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

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

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

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

n. A ban from entering all four major tennis tournaments in the same year.

..........................

Looks like he is one down and three to go in his pursuit of a grand slam.

Wimbledon will be tough. He’s always had trouble with the English courts.

by gnostic3 January 18, 2022