To pass gas, to fart, gasses passing through the anus causing various fluttering or squealing noises
What was that sound that came from your butt and smells bad grandpa? That was a spider bark, my boy.
by Dix Fix July 20, 2018
While listening to a fetus heart which beats at a much faster rate, one would say, "you are probably matching that heartbeat, throwing a jeb like that. Calm down, everything is alright."
by Dix Fix October 05, 2017