funneling off above normal levels of speech consistently. exacerbated or made worse by ability to switch languages. Usually happens after long times spent ranting on or following social media feeds.

Synonymous with popping off at the mouth or running off at the mouth. Many different cultures exude or export fast mouth: Examples Latino, African, Haitian,Caribbean Caucasians, New Jersey, New York. It can also be qualified as coherent thought patterns between two people who can casually switch languages, accents or elevate speeds to communicate.

sounds like rambling or coherent fast speech. Can also be an adjective in the realm of sales or anything telephone related.
*She fast mouthed me into agreeing with the plan*

*Jeremy used fast mouth to get the promotion*

* That french girl has a fast mouth ! She switched to English to close the deal*

*J'avoue qu'elle a fast mouth l'affaire! Great tickets quand même!

*I got the fast mouth from that operator*
by Bullfrogberries January 2, 2017
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Don't screw a gift horse in the mouth is akin to the time honored phrase "don't look a gift horse in the mouth" which basically means don't be critical of gifts or people might not want to give you things in future.
by bhnicfh August 26, 2011
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When a woman gives a man a blow job with a mouth filled with darts. which will result in the man having punctures in his penis and the woman having a mouth full of blood. great for all y'all vampire nuts out there
"hey baby want a Dart mouth BellaDonna?"
by ZeroUndecided December 14, 2011
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Mouth burns from biting into a Hot Pocket.
I had a serious case of hot pocket mouth after biting into that hot pocket.
by Actuarius81 October 23, 2020
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The act of air leaving your mouth with a audible noise
After chugging a liter of cola I felt the urge to mouth queef.
by Xanthern November 20, 2018
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