to shit ,piss and vomit at the same time,usually when drink or disorientated from some sort of cock-slapping festival.
Jesus! shes shat herself and pissed the bed! OMG deres vomit in here aswell. what a grand slam!
48π 37π
A βGrand Slamβ is the act of deficating on the front most edge of a toilet bowl and bringing the lid down to splatter the feces all over the place
Yo bro the janitor got so angry he had to clean up my (Grand Slam)
6π 4π
When you go from first base, to second, to third, and to fourth base multiple times throughout the night.
"Dude last night I got a Grand Slam from Ashlee"
"Nice Bro! I would kill to even go to first with her!"
6π 4π
When a woman orgasms so intensly she squirts, pees, shits and even starts her period.
That wasn't an orgasm, that was a grand slam.
6π 4π
Rock band former by Phillip Lynott when Thin Lizzy split up. Toured Europe continuously but never recorded anything due to Lynotts untimely death.
Grand Slam bootlegs are very sought after by collectors.
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A male performing a one night stand with a female successfully penetrating, and ejaculating in every love hole, before going to sleep.
"Hey man, did you get with that chick last night?" Ya man, I hit a grand slam on her.
8π 10π
When you have gotten to third base with someone, and instead of loosing your V card to only them, you have a Threesome instead.
Hank: Yo man you will never guess what happened last night with Janet.
Jimmy: Did you finally get to home plate?
Hank: Even better, her sister was there and wanted in, so I got a grand slam!
Hank: word
10π 14π