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
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.
by globglogabgalab21 June 10, 2019
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.
by Agentzippo July 7, 2015
by fullsend101 September 28, 2018
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 14, 2015
when in a single night a person shits themselves, pisses themselves and throws up all over themselves due to drinking to much alcohol.
by handcrafted October 15, 2018