While under the influence of alcohol or any other substance, you attempt to do your best somersault on a carpeted floor.
Person 1: Duuuuuude I'm so drunk, I think I wanna do a betty roll!
Person 2: Hell yeah dude, 3 in a row!
Person 2: Hell yeah dude, 3 in a row!
by Bettyroller420 July 29, 2010
The act of forcing your partner to roll over into any bodily waste i.e., semen, blood, feces, or urine, that is left on the mattress after engaging in sexual intercourse.
"Why are you mad at me, Baby? "
"Because you gave me a Rolling Betty while i was wearing my new shirt!"
"Because you gave me a Rolling Betty while i was wearing my new shirt!"
by Mable Scartooney November 24, 2016