when you are capping so hard cap is not enough
Girl: “You’re the only guy I talk to”
*Sees her snapscore is 2 million*
Boy: “Yeah that’s cap mcstuffins
by capmcstuffins June 7, 2020
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When you keep jamming shit into an object and it reaches max capacity.
Yo you see that trash barrel that thing is egg mcstuffins.
by Cuck Fin March 22, 2016
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A word to describe the sluttiest of all sluts. The exponential, factorial and absolute value of slut. The square root of "too slutty" if such a thing even existed.
"she's a slutty mcstuffins", "I wanna nail her buddy, slutty mcstuffins over there"
by Chi Town Nino Brown January 14, 2014
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Also see happy meal.

Whilst receiving deep-throat fellatio from a woman, one may stuff one's ballsack into the woman's mouth at the same time, the sheer volume of which causes her lips and cheeks to stretch wide open (as though she's making a big happy smile, hence it is sometimes referred to as a happy meal.)
Man, look at the mouf on that chick... I'll bet she'd love a nice Sausage Egg McStuffin for breakfast.
by al-stud December 26, 2009
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Mcstuffins is part of a disiny show it means a stuffed doll is alive
Hey bod do you have a mcstuffins we should do a prank with it
by Shawn macario hansen July 1, 2018
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