When a person's breath smells like dog shit.
My boss had such a bad case of crap mouth, I almost barfed after he came into my office to talk to me.
After drinking coffee that was quite old, i developed a bad case of crap mouth.
by Doobee1168 August 03, 2009
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When you awake from a casual nap and notice the terrible, weird taste in your mouth. It feels chalky and taste raunchy.
Who jizzed in my mouth while i was napping? I fucking hate nap crap mouth!
by Titty McDick April 16, 2011
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Throw up and vomit are descriptive enough. Mouth-crap is.
Jamie told little Jimmy that he smelled like ___________.

a) roses
b) clean laundry
c) AXE
d) mouth-crap
by jets333 August 08, 2008
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When you wake up with the worst taste in your mouth after a night of heavy drinking and smoking.
After we were out partying all night, I woke up and that damn cat crapped in my mouth again.
by Jeremy Gilley November 29, 2007
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