Bell-Beefer Share definition Flag A Bell-Beefer is a fart with an unusually low rumbling tone that the recipient feels as well as hears-much like that of a subwoofer. "When Bob farted, it shook the bench...what a Bell-Beefer!" Bell-Beefer by Ruzo October 29, 2007 0 0 Get merch Get the Bell-Beefer mug. Buy Now — $32.95 See more merch