The combination of a rimjob and a blumpkin. The licking of the anus whilst one is defecating feces from said hole.
Bro 1: "I was taking a shit yesterday when this crazy bitch crawled under the stall!"
Bro 2: "Broooooooooo!"
Bro 1: "Yeah, but that's not all! She leaned over onto me and..."
Bro 2: "Started sucking your dick? Old news bro, I get blumpkins all the time."
Bro 1: "No! No! No!!! She started licking my asshole while I was shitting!"
Bro 2: "Brooooooooooooooo! Rumpelstiltskin!!!! Natty?"
Bro 3: "I have a raging boner!"
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