What is Glass Jaw?
1.
A jaw thats easily broken, or about to be broken
dont talk shit, you had better watch that glass jaw
2.
1.A jaw that is easily broken by a punch to the face or chin.
2.A person with a glass jaw can't take many punches and loses a fight very quickly, usually by being knocked out.
"You shouldn't throw stones if you live in a glass house and if you got a glass jaw you should watch your mouth, because ill break your face." - 50 Cent
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