Referring to an individual defecating and/or on one's self or others. May or may not be sexual. Also can have random occurrences, often fun to do at a water park with butt pirates. It is an insult to be dubbed a mystery nugget to African Americans. To be called a mystery nugget one should respond with a smile.
by Cool Kat and H Dawg May 28, 2010
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A bus which comes to a bar or pub, when your in the toilets after about your 10th or 11th pint, and whisks away all the swamp donkeys, and leaves all the beautiful people behind.
"Well John, the mystery bus has certainly done it's round"
by Yuli March 10, 2004
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A seemingly illicit substance, usually of a white and powdered composition or occasionally with a yellowish hue.

A mystery bag is usually found in a zip locked baggie during clean up following a rave, a chance but rather delightful encounter. More deliberate encounters may come from a Boom Boom partyboy in the fall out of a festival... Boom Boom will want to keep the party going through Monday.
Yo Brains, check out the mystery bag I just found. Think I got me some chaz to keep the party going, fancy a line?

Eh I'm not so sure about that Boom Boom, it looks a bit weird

Ah screw that Brains ya dry shite

Sniff sniff

Shit, feels like my face is falling off, what the hell was that?

Haha you clown Boom Boom, it's 2ci and the bus home is just about to leave, buckle up😉
by Mysteryb87 May 27, 2019
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Considered to be one of the hardest and most impressive sex acts out there the Mysterious Monkey is a combination of both The Houdini and The Monkey Face. Before beginning you must first conceal either pubic hair (or ass hair) using a proper sleight of hand technique. Now take your girl or guy from behind and give them a proper ramming. Just before you blow your load pull out and spit on their back. When they turn to look at the amazing load they just receive you simultaneously blow your real juices in their face and then smear the concealed hairs all over while they look on in complete shock and confusion. While extremely difficult to pull off if done right your partner will be so shocked and impressed they will not know how to process what just happened.
Last weekend I finally pulled off the Mysterious Monkey. Suzy and I were going to town and just as we were both about to blow I hit every part just right. The emotions after went from pure shock, to confusion, to anger, to one of the best laughs we have ever had. Took our relationship to a whole new level.
by Work Head December 2, 2018
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the character mystery burns from renightmare
dawg. mystery burns is kinda fine
by xanner May 13, 2021
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verb. to be mystery googling

to currently be using the website "mysterygoogle.com" and subsequently sending out certain information (i.e AIM screenname or phone number) in hopes of getting a reply from some random person and/or responding to others doing the same thing as you.
so the other night i was mystery googling, and i actually met someone cool who likes the same bands as me!

mystery googling might not be the best place to post your mobile number
by MKGggg December 24, 2009
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A mixture of various hard alcohols mixed together, usually made by teenagers whos parents keep alot of half empty bottles around.

Usually sits in a car trunk or closet until the teenager is ready to get belligerent.
Trevor: "Dude I just made some mystery chum last night!"

Tony: "Sick! What's in it?"

Trevor: "Peach Schnapps, Gin and Tequilla!"

Tony: "Your one dirty fucker!"
by mysterchummaker September 6, 2009
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