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When one is about to ejaculate but completely confuses ejaculation with urination and thus creates a golden shower instead.
My boyfriend is a total imbecile! He totally mukmuk'd all over my new sheets when he mistook me for a urinal.

Doctor! You completely messed up when you were reattaching his vas deferens! Had I not caught this, he would have mukmuk'd all over somebody.
by Ziggy Volten February 10, 2010
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Jul 15 Word of the Day
The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as β€œplanetary protection.” Planetary protection / quarantine β€œreflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.
Billionaires are having a dick swinging space race while the earth experiences record breaking heatwaves that cause sea creatures to literally cook inside their shells. We need planetary quarantine.
by monkeylabor July 14, 2021
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2
A person used who is a short emo person who may or may not sodomize objects.
see emo fag
person-"Hey muk muk your a fag, go cry you emo fag"
muk muk-"Im not very tall"
by Me May 30, 2004
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3
A Muk Muk is a derogatory term for a Native American or someone with aboriginal descent.
Guy: That Muk Muk upstairs is having a powwow!

Girl: Yeah, it's like my first period!
by RJ Verretta March 16, 2016
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4
the asian girl that works/lives next door to you. usually 16 or 17 years old.
john: "have you seen adrianne today?"
kurt: "who?"
john: "you know, muk' muk' from next door"
kurt: "yeah. shes in them tight booty shorts again!"
john: "i love our little muk' muk'"
kurt: "me tooo"
by K/P & J/H September 01, 2007
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5
A Muk Muk is a derogatory term for a Native American or someone with aboriginal descent.
Guy: That Muk Muk upstairs is having a powwow.

Girl: Yeah, it's worse than my first period!
by RJ Verretta March 16, 2016
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