15
mouth-breathersex (-1.208)
Any human being that breathes in and out through their mouths, often engaging in idiotic and useless activity. An affinity for sexually crude humour generally accompanies.
Most of the people posting definitions here are mouth-breathers.
by Mhuur November 25, 2002
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16
Mouth Breathername (-1.062)
A subspecies of Homo-sapiens known for their lack of any intelligence whatsoever. Their young are raised entirely on a diet of Ribena and Chicken Nuggets, whilst the adults have no interests other than Stella Artois and ITV2.
Dude, did that mouth breather just trip over his own foot?
by sugarcoatedGandhiman February 10, 2011
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17
Mouthbreathername (-0.502)
1. Someone who is really dumb
2. A person who doesn't/can't breathe through their nose
(The word mouthbreather is also used in Stranger Things)
by A-Claire February 20, 2017
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18
mouthbreathersex (-0.319)
anyone who you see with their mouth wide open, like a booger has clogged their nasal orifice. They just look like they're dumb, doing everything with their mouth open, with no care in the world.
"That mouthbreather had his mouth open so long that his tongue chapped."
by jeremy August 27, 2003
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19
mouth-breathersex (-0.749)
1. A moron from a low social caste. Picture someone with a sunken forehead, low hairline, and prominent chin.

2. A guy who goes to the gym seven days a week, probably does steroids, and has a body that looks like a comic-book character. He might be 5'4" but his arms and shoulders are so overbuilt that he looks ridiculous.
If you go to Gold's Gym in the afternoon there are nothing but mouth-breathers.
by phuckie June 16, 2007
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20
mouth breathername (-0.322)
A sun smilin' mouth-breather.

One who can't look towards the sun without squinting, showing their upper teeth and dropping their mouth open.
Usually wears a Cleveland Browns shirt.
"Hey look at that sun smilin' mouth breather, I sure hope a cloud blocks out that sun before he drools all over himself."
by F.R. January 07, 2005
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21
mouth-breatherdrugs (-0.774)
Complete dumbass that finds it difficult to even breathe.
by fartknocker4 August 11, 2003
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