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.
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.
by Mr. Terrence L. Trezvant April 8, 2007
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
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.
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
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.
you wouldnt want to tell them anything, because they are likely to tell the world.
watch your back around a fat mouth.
by Jaeeeeeeeeeeeeyy October 11, 2010
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
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".
by SLAYER%% November 9, 2014
You, a bitch ass recruit, has made the mistake of whispering to a drill instructor instead of ripping your throat apart trying to scream
by A-way J August 16, 2022