When you smoke so much meth or crack that your lower jaw moves without your knowledge or moves side to side as if grinding your teeth with out actually grinding them together or touching
by White neechie June 4, 2023

by nickdoggg December 30, 2020

by human i think February 3, 2023

The stripping of enamel from the teeth, caused by prolonged meth smoking. The teeth, lacking enamel, then rot at a much faster rate, often turning black and infecting the gums.
Also known as "meth mouth"
Also known as "meth mouth"
K: Yeah the guy's mouth was rotten like he had meth jaw.
A: Meth mouth?
K: Why yes, meth jaw and meth mouth are synonymous.
A: Meth mouth?
K: Why yes, meth jaw and meth mouth are synonymous.
by zychster March 18, 2011

A jaw that can't take the smallest punch otherwise it would break, hence the name glass jaw because it breaks easily.
by Shmomp September 26, 2017

by Inco the philosopher April 16, 2018

Inserting you index finger and middle finger into a menstruating virgina. Quickly pulling your fingers out kicking them up and down as if swimming from a shark.
by Tafkag July 4, 2019
