Frumpin'Bunzen'
Frumpin'Bunzen': Very much like the word "Frumpy" in regards to the generally unappealing look of something, however Frumpin'Bunzen' refers to the droopy and overall sad looking female rear end.
Yo son, I was wild'n out at the club and hooked up wit dis mad fine biddy. Too bad I aint get a look at the back cause ma's setup was straight FRUMPIN'BUNZEN'