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1.
An amazingly awesome band led by frontman Frank Iero.
Dancing Pillow Person: Have you heard Leathermouth's new cd?
Person: Yeah it was fucking awesome!
Dancing Pillow Person: I'ma gonna eat you now. *munch munch munch* Blue lemons love me and you're jealous. Bye yarr I eat yarn. Hello.

Leathermouth lives
by edgar allan poe.. i think January 03, 2008
 
2.
Leathermouth is a rock/punk/hardcore band based out of New Jersey. The band members consist of Frank Iero(lead vocals), Steve(drums), Andrew(bass), Bobbie(guitar), and Vincent(guitar). They are signed to Skeleton Crew Records.
You should listen to Leathermouth cause they fucking rock.
by Alicia June 30, 2007
 
3.
Recent screamo/hardcore band fronted by Frank Iero of MCR fame.
Friend 1: Have you heard Leathermouth?
Friend 2: I'm the one that told you about them --__--;
Friend 1: Oh yeah, you are. But anyways, they fxcking rock.
Friend 2: No Shit. Why do you think i listen to them?
Friend 1: Because you're cool?
Friend 2: Exactly.
by Forevermore January 12, 2008
 
4.
Hardcore noise that makes the whole world sing. Leathermouth consists of::
Frank-Throat
Steve-Drums
Andrew-Bass
Bobbie-Guitar
Vincent-Guitar
They are part of the Skeleton Crew family.
They are said to have an album coming out in September of 2007.
Their street Team is kicking ass and taking names, are you a Body Snatcher?
Sick Growl!

Leathermouth makes the noise that lets the whole world sing.
Leathermouth will melt your face off.
Leathermouth don't give a f*ck what you think.
by Leathermouth Street Team August 27, 2007
 
5.
Hardcore noise that makes the whole world sing. Leathermouth consists of::
Frank-Throat
Steve-Drums
Andrew-Bass
Bobbie-Guitar
Vincent-Guitar
They are part of the Skeleton Crew family.
They are said to have an album coming out in September of 2007.
Their street Team is kicking ass and taking names.
Sick Growl
Leathermouth makes the noise that lets the whole world sing.
Leathermouth will melt your face off.
Leathermouth don't give a f*ck what you think.
by Leathermouth Street Team August 16, 2007