A person who's so unbelievably dumb, they couldn't even be bothered to breathe through their nose. To put it simply, mouth breather is another word for an idiot.
by Suburbanz71 February 17, 2021
Get the Mouth breathermug. 
by spicy stinger November 19, 2017
Get the mouth breathermug. A moment taken to pause and recuperate (i.e., catch your breath) after engaging in some type of strenuous activity.
Zach: "Coach, I got this! Our team's down by 3, and the game's almost over. Ya gotta put me back in!"
Coach: "Zach, I already told you, Mike will finish for you. He's one of our best point guards! End of story. You're too banged up! Now, sit down, and take a breather!"
Coach: "Zach, I already told you, Mike will finish for you. He's one of our best point guards! End of story. You're too banged up! Now, sit down, and take a breather!"
by Jazzy Star November 4, 2022
Get the breathermug. by BOBY SANCHEZ February 8, 2018
Get the Chinese fire breathermug. The act of shoving diarrhea in a person’s mouth and duck taping it shut. Then twist the persons nipples until it comes out of their nose.
by Dutchy4 February 26, 2025
Get the Alaskan Fire Breathermug. You have a fat chick eat a ton of spicy food, and when she farts she does it through a connected funnel that goes to your mouth.
You inhale it all, nuff said.
You inhale it all, nuff said.
Gianna: I cant believe he let me do that to him!
Riah: Dont tell me he’s into feet or something…
Gianna: No, he’s got a fart fetish, so I turned him into my personal Propane Breather.
Riah: Dont tell me he’s into feet or something…
Gianna: No, he’s got a fart fetish, so I turned him into my personal Propane Breather.
by T.H.E. J July 23, 2025
Get the Propane Breathermug.