The act of sodomizing two children at once while fellating a dead penguin.
John Cena is the only man to have performed an Alaskan Grand Slam.
by Joey Orgler 3 August 6, 2008
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when you have sex with jesus in a denny's/denny's parking lot
I had a holy grand slam earlier!
by laketheminifig November 20, 2022
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after a nice breakfast you ask your partner for reverse titty fuck (so your ass is above her face) as you are in the process ask for her to lick your butt hole, if she complies shit in her mouth.
by The_Green_Monster May 24, 2010
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The act of sucking a man's penis while he defecates in the upper tank of the toilet.
"John received a Grand Slam Blumpkin at Sarah's house last night."
by Honey x Badger September 23, 2015
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You know how fucking amazing that concert really was when the underground hardcore punk band "Live Without" had made shit crazily sick! The Denny's Grand Slam has been history's best concert within an abandoned diner chain because, it's just fucking rad man!!!!
"What's up?! What's up?!! What the fuck up is up Denny's?!!"

*Crowd moshing*

"LIIFFFFEEEEE!!!!!!!!!!"

The Denny's Grand Slam is so fucking gold! Pure fucking gold!
by Shb99 August 5, 2022
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that defining moment of achieving sexual congress after an excessive, tedious amount of time has been invested in courting the ho.
'man ive been chasing the bitch for so long when i fuck her it will be a real Cunny-Grand Slam.
by christepo July 13, 2011
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when a guy cums on some ones face and then slams his penis across their face
by lui rodriguez May 15, 2007
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