Highly coveted morning sex performed by a male with a female partner. The Grand Slam must include the four specific sexual acts of analingus, cunnilingus, vaginal sex and anal sex.
Roger woke up at 4:30 a.m. And gave his girlfriend a nudge and then proceeded to warm her up for a Grand Slam Breakfast.
by Eaton Holgoode April 18, 2015
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When you go to Disney World and go to all four parks in one day, hitting all major attractions; starting at 9 am and ending at 1 am. This usually ends in massive pain in your legs due to all the walking.
Dude I did the Disney Grand Slam the other day, and I still can't get out of bed.
by LaFleur818 August 24, 2011
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A Grand Slam breakfast purchased at a Denny's in Compton, California. Consists of crack, peyote, PCP and meth instead of the usual sausage, eggs and pancakes.
Tyrese: Yo loc, imma head to Denny's and get my ass a Compton Grand Slam.

Jamal: NI**A PLEASE! (shoots)
by beotchprease January 13, 2010
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When you screw four girls of the opposite race that you are.
Man that C MART guy is a total pimp he has had a Mexican, black, asian, and white. He got a Racial Grand Slam.

Eric will never get a racial Grand slam, because he is racist.
by C MART October 5, 2005
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A redhead, brunette, blonde, and an asian all at the same time without getting a heart attack.
I went for Hefner's grand slam last night, but failed due to heart attack.
by hefner555 July 8, 2011
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A Sexual position. The girl in said position, must be in an arched position, usually rear sticking in the air, to symbolize the St. Louis Arch. To symbolize the grand slam, (Busch Stadium) she must have someone 1; Kissing her 2; feeling her breasts 3; fingering her (For a man on first, second, and third) and someone doing her from behind for a batter. When the "batter" is about to cum, you spin her around, and hit her on the cheek, to make a popping sound, for the "Home Run Hit". To be truly authentic she should not be shaved, for Bush/Busch Stadium.
Guy 1: Hey did you hear Victoria was the first girl to hit an STL Grand Slam?
Guy 2: No, i didn't know there were women in the MLB yet.
Guy 1: There aren't *winks* **Explains**
by Chainsaw037 May 11, 2009
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A large shit that involves sweating and strainging so much that a change in wardrobe is necessary. Counting down from 10, start removing all your clothes. When all clothes are removed, release the load of shit from your anus and yell "Grand Slam". Then, if you are Spencer Meyer, continue to masturbate on the spot.
Dude, I just took a grand slam dump. It was awesome. Thats the second one this month!
by Jizzman69 January 21, 2008
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