Top definition
Someone who gives a lot of Oral Sex.

Also can be used for someone that is overly talkative.

Can be used as an offensive 2 word Attack. Or as a Defensive 2 word Come-Back.
Did you hear about how she is a jaw slut?

Tonights date will be awesome, I heard she is a jaw slut.

Dude, you are a major jaw slut. Shut up for once!
by ShadowOfTruth May 29, 2012
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