Top Definition
Performing oral sex on the rear end (Bombays).

Term made up by radio personality "The Greaseman" in order to describe the action without retribution from the FCC.

Something 99% of women wont ask for but wont want you to stop doing.
I was feasting the yeast when the opportunity for a little boscolingus came about.
by Philvis December 17, 2007
2 more definitions
it is the act of a man sticking his tongue in your poop hole.
she told me to preform cunnilingous and tounge her pussy, instead I gave her boscolingus and tounged her butt hole.
by GD Daddy for Trixy December 01, 2012
The act of licking someones asshole for pleasure
As I lay on my stomach my lover proceeds to slowly spread my cheeks and starts to perform Boscolingus on me.
by Ponse January 31, 2011

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