1 definition by NotACunt27

The act of talking mad shit, which refers to saying the wrong thing, both if you meant it or not.
Can also refer to someone who has really bad breath.
O: (Saying something really dumb)
M: damn, what’s that smell?

DUDE, its all the shit comin out of yo mouth, you got shitmouth bro.

O: Oh shit, you got me there buddyroo
by NotACunt27 April 17, 2020
Get the Shitmouth mug.