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8.

1. a lawyer

2, a spokesperson, a spokesman or woman
The Mouthpiece for the government lied about what happened.
by The Return of Light Joker July 10, 2008
 
1.
Similar to a horseshoe, it's when a lip is packed cheek to cheek with a bomber of chew.
"Dude, this car ride is beat, got any chaw left? I see that mouthpiece you're rocking."
"Sorry Bro. Emptied the tin. Feeling fucking money."
by nofx9019 December 02, 2009
 
2.
Anyone who has alot of game. Can make them do things they normally wouldn't do.
I got a cold mouthpiece.
by Jocelyn a.k.a. Jozzie/TinaBoo December 10, 2005
 
3.
When you can spit the sweetest game and talk your way out any situation.
Joe: "Mike cheated on that breezy like four times already and she's still payin his bills!"
Luck: "Dat's cuz that's fools got a mouth piece homie."
by NDNpimptress January 13, 2007
 
4.
To speak in a convincing and persuading manner, usually to make a person do something they wouldn't normally do. A person who is or has a mouthpiece is usually attributed to as a playa or a lawyer.
-Man that guy sure has a mouthpiece on him. I tried picking up those two girls and he's walking away with both of them.

-Hey, i just convinced my girl to do anal.
-What? Isn't she like really religious? Man that's some mouthpiece on ya.

-You know that lawyer who got O.J. off the hook? That guy's a hellava mouthpiece.
by Everfalling April 23, 2006
 
5.
A noun describing a person who is frequently gobby or mouthy.
"That cunt over there is a right mouthpiece."
by bootsandbraces May 25, 2009
 
6.
gaming up a bitch
These ho's always down to suck me up cuz I got that mouthpiece
by T Swholy January 14, 2004
 
7.
a piece of cardboard from a pack of cigarettes rolled up and stuffed into the bigger end of a blunt. Stops particles from flying into your mouth, AND gives optimal smoke flow.
1.) You want me to put a mouth piece in this shit?
2.) Take that fuckin mouth piece out dude! The weed almost gone!
by Nigga Dee January 07, 2009