to make up one's mind through a poll of friends and/ or enemies, usually in written form, an acronym for Make up My Mind.
I wrote a MuMM today, to find out what peanut butter is best.
by dannyshamas December 14, 2010
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Used as a greeting or it can define anything whether it be an adjective, noun, or verb. just to add fun to a conversation.
you might see a person and go "mumm?" and generally they will return with "mumm? hub, or buff?"

Or

"im feeling quite mumm today"

"dude i just mummed that guy up"
by Luke Nuke'em June 6, 2011
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It's when the chick is hot, but you question her hygiene!! You dont want her rubbing her dirty dick beaters on your junk. Instead you allow her to cup her hands and play catcher for your load of man milk. When you finish, you tell her to wash up and get the fuck out.
Chuck, she was so smelly, I could only let her do the mumms. Tell your sister to take a bath!
by Uncle Kurtie June 2, 2007
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The primary villain from the popular 1980's animated series ThunderCats. His appearance is usually that of a mummy with a red cowl but he can transform into a more powerful form by reciting the words "Ancient spirits of evil, transform this decayed form to Mumm-Ra, the Ever-Living!"
The evil Mumm-Ra has been plotting to rule over all of Third Earth!
by Strideo June 22, 2007
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Drunk beyond all capacity to function. Passing out on the ground, vomiting upon one's self, running into foreign objects, and possibly waking up the next day with a splitting headache, alcohol poisoning symptoms, and a $222 public drunkenness ticket in your pocket.
"Yo, this morning i found a $400 bar tab in my jeans... and that's AFTER i woke up next to a chick who couldn't get out of her house without the assistance of Richard Simmons and the jaws of life. I was utterly Mumm-Ra'd!!!!"
by cynical30 March 27, 2009
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The result of drying your cock after sex with low grade toilet tissue. The result resembling what mumra from the Thundercats cock would look like.
"jeezy peeps, what the fuck is that White papery shit all over my bell end?"

"looks like that shitty bog roll I stole from work"

A classic case of Mumm ra's cock.
by Gdubfunk August 18, 2011
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