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fat mouth

1. If you have a fat mouth, you talk too much, especially about things that should be secret.

2. Someone that's very talkative, especially when boastful.

3. One that informs, especially against another/others.

4. Someone who talks too loud and boastful; whoride.

That chick's a fat mouth! Don't tell her anything!

by Mr. Terrence L. Trezvant April 8, 2007

62👍 14👎


fat mouth

1. the kind of person that talks crap and may have pathetic comebacks

2. someone who spreads rumors, even if they aren't true

3. that one person you can't tell your secrets to

Boy: You're a freak and you're ugly.

Girl: Kid, you need to back off and leave me the hell alone before I freaking punch you in your big, fat mouth.

by BatmansGotSwag October 18, 2011

17👍 6👎


fat mouth

someone who runs their mouth and talks all the time.
you wouldnt want to tell them anything, because they are likely to tell the world.

watch your back around a fat mouth.

People named RJ tend to be a liar and a fat mouth.

by Jaeeeeeeeeeeeeyy October 11, 2010

14👍 8👎


fat mouthing

talking trash, talking shit, talking out ones ass, fronting

The niggah wasn't saying anything ta yo until youz put in the back of the hot-boys car, then he wouldn't stop fat mouthing about you.

by Blindflight April 7, 2006

6👍 8👎


shut your fat mouth

You have a lot to say that no one wants to hear in other words there are so many words in your mouth waiting to come out its "FAT".

I am tired of hearing your shit so do me a favor and shut your fat mouth!

by SLAYER%% November 9, 2014

11👍 8👎


fat ass mouth

You, a bitch ass recruit, has made the mistake of whispering to a drill instructor instead of ripping your throat apart trying to scream

*insert command* “aye aye sir” ok open your fat ass mouthAYE AYE SIR”

by A-way J August 16, 2022