bum thrills Share definition Flag A bum thrill is a nice tingling feeling starting from your anus going up your spine and may give you a boner or nipple erections. "Oh my god look at that ass." "Don't get bum thrills." bum thrills by calshane February 11, 2014 0 0 Get merch Get the bum thrills mug. Buy Now — $32.95 See more merch