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 17, 2015

the act of one male inserting his testical into a females vagina, often done in the pile-driver position.
warning- only for the flexible
warning- only for the flexible
girl-"I want you to dip your balls in me"
guy-"No shit bitch thats called the nutsack slam dunk go look it up"
{does the nutsack slam dunk}
girl-"that was amazing you really know how to dunk those balls I think i-"
guy-"not now bitch, im in the fucking zone (continues to dunk while cutting her off in mid-sentance)"
guy-"No shit bitch thats called the nutsack slam dunk go look it up"
{does the nutsack slam dunk}
girl-"that was amazing you really know how to dunk those balls I think i-"
guy-"not now bitch, im in the fucking zone (continues to dunk while cutting her off in mid-sentance)"
by zohan pubes December 15, 2010

Bro 1: "So how'd it go with that chick last night, bro?"
Bro 2: "You know how it is, bro. After the bar, I took that hoe straight to slam central station!"
Bro 1: (nods in approval) "Respect."
Bro 2: "You know how it is, bro. After the bar, I took that hoe straight to slam central station!"
Bro 1: (nods in approval) "Respect."
by The Pete Jones November 24, 2013

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.
by LaFleur818 August 26, 2011

The process of inviting a girl over to make a blanket fort and watch Disney movies with the ulterior motive of coitus.
by Icàrus November 18, 2013

One of those awesome grannies that gives you a shitload of cash everytime she visits. They were major ravers back in their day and they tell you all about it. They also let you get away with fucking everything!!
" My granny is a Slam-O-Gram she just gave me a fifty"
"Check the Slam-O-Gran playing the mean base"
"That's one wicked Slam-O-Gram, i hear she gives wicked pressies bitch!"
"Check the Slam-O-Gran playing the mean base"
"That's one wicked Slam-O-Gram, i hear she gives wicked pressies bitch!"
by The BGK King March 9, 2009

"Dude check out those Slam-A-Licious Babes over there on that bench"
"THOSE ARE MEN!"
"Whatever deal with it."
"THOSE ARE MEN!"
"Whatever deal with it."
by Gerdemann25 August 4, 2007
