Mouth-breather

1. Someone who can’t breathe through their nose.
2 A stupid or ignorant person
3. Someone who refuses to wear a mask for political reasons.

4. All of the above (most common)

That Trump-lovin’ gun-totin’ fool is one heckuva mouth-breather.

crunch mouth

1. Someone who has more than the average teeth count (between 26 and 32 are the acceptable numbers).

2. Someone whose teeth are severely impacted to the point where closing their mouth causing them pain.

3. Someone whose grill(see def) is socially undesirable; if you were to kiss them or place you genitalia into the mouth, you may be injure your tongue, castrate your penis and/or clitoris.

4. Patrick Scott's wife; "Heather Scott".

Man, throw that crunch mouth bitch some rocks to chew on and watch her spit out gravel.

Punch in the mouth

A Mr. Misty, or an Artic Rush At Dairy Queen

Ask For A Punch In The Mouth Instad Of An Arctic Rush At Dairy Queen

Me: (To Lady At Window) Hi, I'd Liek A Punch In The Mouth
Lady: What Flavor?
Me: Cherry Please
Lady: Okay
(Comes Back And Hands Me A Cherry Arctic Rush)
Me: Thanks!

smash mouth

A style of wrestling used only by the untalented hosses of WWE. It consists of slow, powerful moves with lots of clotheslines and punches.

Tazz: "A-Train wrestles a very smash mouth style."

poop mouth

when someone has yuk mouth.

That chick was hot but she had poop mouth

Dick Mouth

An std that you can only get if you have red hair, freckles and have recently kissed someone who has been sucking on a filthy penis. Common symptoms include: Migraines, yellow hands, a common cold and the urge to yell homosexual things when you are angry. There is a very rare disease and only one case has ever been recorded.

"Dammit Brendan don't come near me, you have dick mouth."
"Heard you got dick mouth after hooking up with that chick last night Brendan."
"Damn Brendan, you should really get those yellow hands checked out, you might have dick mouth."

mouth breather

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."