Similar to "spoken for," when referring to relationship status, but more indistinct - when you are "mumbled for," you will hopefully be in a relationship soon, and it would be rude to engage in alternative romantic entanglements.
You might also be in a relationship with a person who mumbles.
Rob: Hey, you want to go enjoy the sunset together?
Jane: Sorry, I'm mumbled for - Dave and I have been seriously flirting for weeks now.
-or-
Jane: Hey darling, do we need more vegetables?
Dave: Hrmm mm huh roomm.
Jane: What?
Mumble means "gobbledygook" or worded rubbish. A collection of letters which means nothing at all.
"Woah, that was total Mumble, try saying it again"
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A woman wearing clothing that is far too tight for her , often with no underwear, so that you can see the shape and movement of her genitals. Her lips are moving, but you can't hear what she is saying.
Man, check out Mumbles over there in the cycling shorts.
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A person who stutters or garbles there words when excited, frustrated or drunk.
If your at a club and your friend is drunk and and gets kicked out of a club. He is Mumbles...
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A poor, simplistic, country folk, usually of African American descent, who works at larger institutions as a janitor or groundskeeper in maintenance. They are called Mumblies because they mumble when they talk, and are impossible to understand, but somehow are able to understand each other.
Student: Hey the toilets are overflowing can you fix them?
Mumbly: bllrhhargghfahbmbcmlgh! (As he walks to fix the toilets...)
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A sexual act in which a robed woman or gay man "motorboats" the scrotal sac of her male partner.
I mumbled Andrew last night, he yelped like a small frightened but happy animal.
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Noun: A woman's female parts as viewed through extremely tight pants or shorts.
Her shorts are so tight, you can see her MUMBLES. Her lips are moving, but you can't hear what they are saying.
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