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

lock jaw 

also: the strange feeling you get in your face after dropping acid.

Dude, I ate one of those tabs you gave me; fifteen minutes later I had lockjaw.

lock jaw by Kyosanshugi January 10, 2004

lock jaw 

1. A person that speaks without moving their bottom jaw to express themselves for fear that the corn cob will fall out of their ass.

2. (noun) an incredibly annoying, privileged and clueless person. Usually white, but there are many exceptions.

3. a cracker

"I'm sick of Diddy changing his name every fuckin' year and throwin' his damned all white parties. He's so lock jaw.

White: See Thurston Howell III of Gilligan's Island.

Non-white: See Hilary and Carlton Banks on the Fresh Prince Of Bel-Air.

lock jaw by slappinpappi November 10, 2008

lock jaw 

another way of saying brains, head

"Tell that bitch to give you LOCK JAW"

"Imma tell a bitch to give me that yo LOL"

lock jaw by LILR23 February 19, 2008