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.
by slappinpappi November 07, 2006
9 more definitions
Top Definition
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.
by Ben fuckermother August 26, 2003
1. difficulty or pain in opening ones mouth due to a medical condition, injury, or infection

2. an upper class accent
If you keep chewing your nails like that you could get lockjaw.
by The Return of Light Joker April 03, 2008
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!
by GoatPeople #5 September 18, 2009
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.
by Red Dog July 29, 2005
When high on ecstasy
your jaw locks up from grinding your teeth
Lisa got lock jaw when she was on E
by L. April 20, 2005
A slang term for the people and accent from New England and Northern America. Coined from the fact that many people from these states mumble and, compared to a Southern Drawl, keep their mouths relatively closed when they speak.
I knew he was from the North when I heard him talk with that lockjaw.
by TallBuns July 03, 2011

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