A put down, generally used to observe a failing or unfortunate occurrence. Properly coupled with "da" as the preceding article, though the da is often used in a sarcastic manner.
You failed that test? That's da mouf.
by A. S. W. March 11, 2008
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a really stpid thing that some one says
with ur mouf ass
by gerorge January 21, 2004
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What you get from a girl when you grab the back of her head and cry MOUF!
::grabs back of random girl's head::
MOUF!
by Rico April 27, 2004
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The word used for the opening on your face which receives all food, drink, and other oral substances. It is similar to the word, "Mouth," but this word is used between two friends who have hung out way too much and behave like complete retards in each others presence.
"Duuude, this sandwich is like a symphony in my mouf."

"Aw man, I gotta go the dentist so they can check on my mouf."
by checkoutmuhteef September 17, 2009
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