Top Definition
Someone who never shuts up, excessive chatter.
Brock is such a fucking motor mouth, my fucking ears are hurting.
by John Harrison October 19, 2004
a person who is very talktive
This motor-mouth always follows me around at lunch time. I am sick of listening to his mindless chatter.
by Light Joker July 10, 2005
1. A person who talks too fast and too much. The fast talker won't wait for a break in the conversation, they just overtalk everyone else.
2. A bad actress who rushes her lines because she's afraid of forgetting them.
Don't invite Mia to the party, she's an obnoxious motormouth.
by KImCobain February 27, 2015
is a reality show on VH1 which showcases people unknowingly being taped in their cars while singing a song. It began airing October 26, 2004.
The skits would end when the victim stopped and the cast went in and Zane would say to them, "You've been Motormouth-ed".
by a.rico October 20, 2010
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.