jaw lock 

When your mouth gets stuck open after having sex.

“Sippin' till my heart stop and my jaw lock
I just made her jaw drop from a backshot”

jaw lock by juicewrllld999 December 1, 2020

jaw lock 

when ur mouth or jaws get stuck open after giving head
or very hardcore sex.

Basically its the same as a rim jaw.

she was in the hospital due to a terrible accident w/ her japper jaws -ha ha- she had a jaw lock for 2 hrs str8!
"U'R such a Japper Jaws" --ha ha

jaw lock by miss G'(ya'll kno') July 15, 2006

until my jaw lock 

Saying you will suck someone off until your jaw locks up

*sees an attractive person* “UNTIL MY JAW LOCK”

until my jaw lock by Pissybaggy March 28, 2023

lock jaw 

refering to and/or caused by a person giving another person hed; they are usually in the position so long that there jaw just kinda gets stuck hanging open and will not shut for a series of hours

Quit sucking my dick. You're going to get lock jaw.

lock jaw by Ben fuckermother August 26, 2003

Lock Jaw 

When you are eating pussy and you have been at it so long that your jaw and your mouth begin to cramp up.

I ate Jodi's pussy for so long that I started to get lock jaw!

Lock Jaw by GoatPeople September 19, 2009

lock jaw 

When high on ecstasy
your jaw locks up from grinding your teeth

Lisa got lock jaw when she was on E

lock jaw by L. April 20, 2005

lock jaw 

Lock jaw or tetanus(correct spelling lockjaw) is where your jaw locks in an open position due to your chewing muscles spasming. You can get it by a wound that gets infected with it.

I got bit by a dog and was afraid i met get lockjaw so i had to get a tetanus shot.

lock jaw by Red Dog August 25, 2005