"yo man that ho had so much bum muff i had to brush my teef for hours bruv  "yo mama is just a walkin pile of bum muff
the muff which surround the anal regions of the anus
""yo man that ho had so much bum muff i had to brush my teef for hours bruv  "yo mama is just a walkin pile of bum muff" What is the definition of "bum muff"?