(n) (insult) A big mouth. The owner of the tit jaw usually has a mouth that's too large, sometimes meaning they talk too much. Can also be used to mean that the person eats too much. Also used to evoke baby-like images of the person.
by The Other Shoe January 18, 2017

by PudgeBucket December 5, 2018

by slack-jawed yodel March 31, 2023

by DontFuckingWorryBoutIt June 9, 2018

After your girl has TMJ jaw surgery and The bottom half of her face is numb. Opens the option to fuck her face with no gag reflex.
Gonna be a good night. Alison has numb jaw for the next six months. I get to fuck her face all night! She can’t feel a thing!
by Denise.com September 26, 2020

by EmJayee January 28, 2020

When you grab a stolen object from someone and use the same momentum to elbow them in the face, simultaneously knocking them out and reclaiming your property.
Eric Sparrow: What do you say? One last trip around the neighborhood. Winner takes the tape.
Steve: elbows Eric and grabs the stolen tape
Stacy Peralta: Holy shit, you just jaw jacked Eric!
Steve: elbows Eric and grabs the stolen tape
Stacy Peralta: Holy shit, you just jaw jacked Eric!
by jawjackerericsparrow June 16, 2021
