shit your face

To open one's mouth and have incoherent garmble escape will little or no understandable meaning.

Can be likened to when a person combines two words on accident becuase they are thinking one and trying to say the other.
In response to a sentence that makes no sense : "You just shit your face man. Clean that up and talk to me when you're not a retard."

If someone frequently shits their face, they can be called a face shitter.
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face shitter

One who frequently or just repeadtedly shits their face. They are failing in an effort to express a logical thought in words understandable by humans.
Guy #1 - Misspeaks
Guy #1 - Ahh let me start over
Guy #1 - Incoherent garble

Guy #2 - You're quite the face shitter tonight aren't you?
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