The act of a mexican and a white guy performing disturbing, disgusting, vulgar and raunchy activities within a sleeping bag.
EX.

Friend: Hey did you hear what he did this weekend when he went to spend the night?
Friend2: No what?
Friend: they did the Dirty Bean & Cheese Burrito.
Friend2: Fags
by Cele696969 May 31, 2011
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A sex act in which a receptive partner opens his or her mouth round like a tortilla, then a male partner farts inside the first partner's mouth, then quickly ejaculates on top of it.
"My woman never had Mexican food, so I gave her a genuine bean and cheese burrito."
by Mortimer L. Bard August 13, 2007
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When an uncircumcised dick, filled with smegma, deposits its filth into an unclean ass. Feces are usually mandatory.
I can't believe that chick was down for a bean and cheese burrito!

I'm circumcised so I can only have a bean burrito.
by Lenoroc June 23, 2009
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When two men engage in anal intercourse and some or all of the feces of the receiving man ends up in the foreskin of the other man.
My gay friend got a bean burrito while he ass-fucked his partner. He spent the whole day washing out his foreskin.
by Lucky777dice June 25, 2015
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When you are having sex with Mexican girl and while you are fucking her you put your finger in her asshole and start fingering her and still keep fucking her.
While I was fucking the Mexican girl I Bean Burrito her
by Slicknate233 January 5, 2018
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