when you use your penis like a knife and scoop some butter with it then smear it on someone's anus and then have anal sex with that person useing the butter as a lube.
Doug went out with Smeegal last evening and he said that he was butter in the buns before they went out for dinner and a romantic movie.
by mongolian mantis May 3, 2009
Get the butter in the bunsmug. by Justasin September 17, 2022
Get the Buttered Bunsmug. (n.) the arse of a man who has been barebacked several times in succession, and therefore holds so much fuck paste that it leaks out to cover most or all of his arse. It’s a gooey phenomenon.
“After the ‘after party,’ Joe had some seriously buttered buns that he had to clean up before he came to bed.”
by Frozen Prevert October 17, 2024
Get the buttered bunsmug.