1 definition by NQP3

1
The act of passing a bowl movement that rips through your rectum with the intensity of a chain saw. Usually causes a large amount of blood in the stool and/or anal fissures.
I think that buttsaw I passed after all those chimichangas ripped me to the sack.
by NQP3 May 01, 2016
Get the mug
Get a buttsaw mug for your papa Vivek.