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5.
That Mush Mouth idiot can't say a complete sentence without saying Fuck or Fuck It.
I told it one time .Mush Mouth,Your supposed to bend over pull your butt cheeks wide with a glob of KY lube on there when you say that down in Old Town.

But it don't listen just keeps babbling like it's penile organ is the center of it's universe and It thinks it's the center of our universe.
by LatNerd April 20, 2011
 
1.
The inability to speak properly because of the genormityness of the person’s lips. Usually referring to African Americans with abnormally large lips and who sound like they are trying to speak with a mouth full of marshmallows.
That mush mouth just mumbled at me.
by Finochetti March 21, 2007
 
2.
Native Language of Jamaal Charles, Running Back for the Texas Longhorns. Language consists of whole sentences combined into one "word". Also, great emphasis is put on repeating one syllabus of a word over and over and over. Not understood by 99.998% of the world's population.
Despite speaking Mush-Mouth, Jamaal excels in academics at the University of da da da Texas.
by IStabPeople July 26, 2006
 
3.
The Ebonical way of speaking, especially in Oakland. A proper mush mouth sentence sounds like the the speaker has a mouthful of Cream of Wheat.
Haephestus Jones talk mush mouth at me all a time.
by Bumkicker Slade April 24, 2005
 
4.
a term used to describe a state of intoxication in which the individual cannot speak properly or when the intoxicated individual makes random remarks having nothing to do with the preceding conversation.
Person 1 : "Dude, what the hell was that guy talking about?"

Person 2 : "I don't know man, he has mushmouth, he just did 6 shots!"
by sabotageman October 28, 2009
 
6.
Mush mouth is a particularly interesting oral sex technique involving crackers (typically saltines but anything dry will work). It is performed by chewing up enough crackers to render one incapable of speaking clearly, receiving a load in the mouth, mixing it all together, then slowly pushing it out of the mouth to run all over the face and make a gunky mess.
man: oh baby here it comes.
woman: mmmfff mff mmm mm.
man:open wide. ohhh yeah...that's a pretty mush mouth!
by brydon and on January 01, 2011
 
7.
Usenet (rec.arts.poems) /term of endearment/ for the poet Rob, who in his live performances whistle lisps his poems through a mouthful of gunk.
"Today wass*tweet*th po-weths*tweet* day..." Mush Mouth Rob defining "mush mouth" by example for poetry audiences.
by Will Dockery October 10, 2007