Bustin' a McNasty

(Verb) A term used to describe the action of doing the raunchiest, filthiest, most disgusting acts of sex imaginable. The 110/100 on the disgusting scale. The magnum-opus of dirty sex.

Man 1: "So then I stuck my ball-sack in her shit-stained ass while she moaned for more of it! Then I pissed all over her!"

Man 2: "You were Bustin' a McNasty, weren't you?"

Man 1: "Hell yea bro!"

filthy disgusting shit stain piss slime anus raunchy shit stained balls mucus covered dick

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