A Muff Buffer is a man’s beard that is more than a 1/4 inches in length. Long enough so that when performing the art of cunilingus the beard tickles the girlsTwat and also creates a street sweeper effect cleaning any lint or "Muff Biscuits" that might be there.
"It was her time of the month and I cought a Blood Biscuit in my Muff Buffer"
"She had a Yeast Infection, I have been pullin Bread Pellets out of my Muff Buffer"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi