Motorboating someones ass while they shit in your face.
Im not really sure why i thought it was a good idea to be Billy's Muddy Buddy.
by Tylex June 8, 2015
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A casual sex partner with whom you only have anal sex.
No, man, we don't do it in the vag, she's just my Muddy Buddy.
by Noah-V May 2, 2009
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When you drain the water from the toilet bowl, take a dump and place googly eyes on the turd. Surprising the next unsuspecting person who uses the bathroom.
"Goddamn it, Garret Muddy Budded me again"

"I left a muddy buddy for them, that will teach them to be ungrateful Hosts"
by Bierleichen February 2, 2017
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After vigorous anal sex, when there is a thin layer of doo-doo butter still present on the penis, the act of sprinkling powdered sugar on said butt-butter and assertively ramming it down the woman's throat.
Inspired by the Chex snack, Muddy Buddies.
Last night I gave Kari the Muddy Buddy until her face turned Blue.
by Mr. Hill March 25, 2007
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The person you perform anal sex on while you take a dump.
-"Honey, I think it's time we take this relationship to the next level. Will you be my muddy buddy?"
by papwin May 4, 2013
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An african american woman who will trade sexual intercourse with a white man for financial support and or a place to live. A Muddy Buddy could also be a one hit wonder- meaning that she will also trade rides or drugs for a little action.
Yo Johnny boy, are you still holding up that Muddy Buddy in your condo?

Johnny Boy: You bet your sweet ass I am, my wife thinks she's our renter. Little does she know I'm a bonafide Sugar Daddy of a Muddy Buddy.
by EverydaysausageShufflin''' October 2, 2013
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Term for two gay male lovers. Men who like anal from another man.
Jeff and Bill don't like girls, they're muddy buddies.
by punkscum August 15, 2013
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