Johnston's Jaw is an ailment that is commonly found in alcoholic young women.
It is caused when the drunk women participate in fellatio.
With the extended time the jaw is wide open and the grinding caused, it wears down the jaw bone and cause's pain for month's and even years
That slut student nurse got her jaw fucked up by that rugby team at uni.
She went to the doctor and he diagnosed her with Johnston's Jaw
by IBM Sophie February 27, 2008
5 Words related to Johnston's Jaw

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