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.
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."