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Known by many names, morning breath describes the horrible taste and smell your mouth has in the morning when you wake up, even if you've brushed your teeth and all the night before.

It's especially bad when coupled with a hangover.

Morning breath is the bane of all those who fall asleep together and wake up wanting to kiss (but hopefully don't for both of their sakes!).

At the very least pull a dental denial before kissing anyone in the morning!
She was disgusted when her boyfriend gave her a kiss as soon as he woke up and promptly told him that morning breath can kill small woodland creatures.
by malathia February 09, 2006
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When a person awakes from his/her's slumber and starts talking to a person without brushing his/her's mouth. Their breath smells so bad, if you are unlucky to talk with them, It either smells like...

A.) Someone curled up, and died in their mouth.

B.) Ate a mouthful of horseshit before they walked out of the door that day.

Or C.) Smells so rank, that it blew you away.
"Hey, not to sound creepy or anything, but Kathy had a case of morning-breath."

"Really, what did it smell like?"

"Why are you curious, It smelled like if a animal made out of manure crawled in her mouth and died."

"Sounds like she could use a tic-tac."

by Beat56 July 20, 2014
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