Someone who, while on AIM, constantly copies parts of their IMs with certain people and pastes them to others. Like in real life, the big mouth will rat people out when they talk about someone else, only this time it's online rather than through spoken words.
My brother is the biggest AIM big mouth in the world. Every time I talk about someone, he has to copy and paste that excerpt of our conversation and send it to them. One day, he will pay for this.
by Devveyovich October 25, 2008
Get the AIM big mouth mug.When a married man tells his wife everything, causing her to think less of her husbands friends. This is a nickname like Johnny On the spot, Charlie Hustle, Joe Bag-a-Donuts.
" Hey no one would have found out we were at the strip club if 'Benny Big Mouth' hadn't told his wife."
by Jack Cutone September 29, 2005
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(Also known as "BM")
The friend you thought could keep a dreadful secret but as soon as he has an audience of at least 4 (including you) he spoils the secret and rolls it off like "It's a little joke, man, what's the big deal" when everyone is pointing and laughing at you and you genuinely want to JOACAD.
The friend you thought could keep a dreadful secret but as soon as he has an audience of at least 4 (including you) he spoils the secret and rolls it off like "It's a little joke, man, what's the big deal" when everyone is pointing and laughing at you and you genuinely want to JOACAD.
Dave: *Invites 15 friends over for a party*
John: Dave, I got something to tell you. I have a "the hub" channel.
Dave: dw your secret is safe :)
*3 hours later*
Dave: Guys, since we are watching tv, lets watch the best "hub" videos, made by our friend John!!!
John: SHUT THE FUCK UP JOHN BIG MOUTH
John: Dave, I got something to tell you. I have a "the hub" channel.
Dave: dw your secret is safe :)
*3 hours later*
Dave: Guys, since we are watching tv, lets watch the best "hub" videos, made by our friend John!!!
John: SHUT THE FUCK UP JOHN BIG MOUTH
by applesaue September 20, 2025
Get the John Big Mouth mug.A slang term for a vagina. Usually used in regards to what a heavier woman with an ugly face, one you can't imagine actually having sex in any way, would call her own vagina.
"What do you think Nikki calls her vagina during sex?"
"She's probably like 'Oh, yeah! Stick it in my big-girl mouth!'"
"She's probably like 'Oh, yeah! Stick it in my big-girl mouth!'"
by PissedOffRoommate February 22, 2009
Get the Big-girl mouth mug.big's mouth discipline is basically trigger discipline but for your words, you stop yourself from saying anything personal or grotesque
gerald: OKAY YOU KNOW WHAT BUBBY THAT'S WHY YOUR DOG D- big's mouth discipline. remember the big's mouth discipline. sorry bubby
bubby: What
bubby: What
by ascoutmainTF2 November 20, 2023
Get the Big's Mouth Discipline mug.Similar to "too big for their boots" and implying that the person in question constantly talks about doing things which they would never have the courage to do.
Alex: Man I hate that prick Jared, next time I see him i'll beat his dick in the dirt.
Jonny: I doubt that dude, he hits the gym a whole lot and all you do is sit around playing Warcraft all day!
Jordan: Forget it Jonny, Alex just has a mouth too big for his balls.
Jonny: I doubt that dude, he hits the gym a whole lot and all you do is sit around playing Warcraft all day!
Jordan: Forget it Jonny, Alex just has a mouth too big for his balls.
by Jonny, Jared and Jordan October 19, 2010
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Person 2:What the fuck.
Person 2:What the fuck.
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by WordInventor12345 January 1, 2022
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