mystery booger

A booger that immediately vanishes upon blowing it out.

It is usually found by someone else hours later, stuck to some conspicuous place on your body.
"Hey, Jim! You've got a big snot on your shirt!"
"Damn that mystery booger!"
by Tater Bater May 08, 2020
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Mystery Logger

A person who sinks a monster deuce in a communal toilet, but doesn't flush it or use toilet paper, leaving the Loch Ness Log for others to see.
by travisbickle86 July 08, 2019
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Mystery machine

The van that has a nice man who looks like Santa clause offering you candy
Santa: hey, look it’s the mystery machine, do you want to see Scooby-Doo
by Norville Rogers April 23, 2020
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mystery makeout

when the male ejaculates semen into a drink mixer. then the female squirts cum into the same drink mixer. then use the drink mixer and mix the females cum and the males cum together. when the substance is properly mixed, both the male and the female take drink as much as they can. when they do that then they makeout with the substance in their mouths.
hey, ally wanna have a mystery makeout tonight?
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Mysterious monolith

The first mysterious monolith appeared on 18 November in the Utah desert and disappeared on 27 November 2020. The second near the Petrodava Dacian Fortress in Romania. The third at the top of a mountain trail in southern California before it also vanished. The fourth on Compton beach, Isle of Wight, UK. Then a gold one in Chia, Colombia and another monolith appeared in the Kiekenberg nature reserve near Oudehorne, The Netherlands.

The mysterious monoliths were appearing everywhere.

A mysterious monolith even appeared in UD.
No convincing explanation for the appearance of these mysterious monoliths has been provided - though it has been suggested that the world's largest dot-to-dot is under construction.
by Option 22 December 07, 2020
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the most mysterious song on the internet is a song mostly referred to people as the following: like the wind, blind the wind (you know i wonder how people get stuff like this name), check it in/out, and take it in/out. likely speculated to be made in the 1980's. it's said that it was recorded from a NDR broadcast (norddeutscher rundfunk) there's more information on wikipedia.
by rk092 December 26, 2023
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mystery box

A collection of items, usually linked by brand or product type. They became popular since the 2010s.

Although they can be bought online, it is very easy to make a mystery box that contains items you have bought and sent it to someone.
My friend sent me a mystery box that contained Nike sneakers - Someone getting a mystery box of expensive shoes
by Ryan900USAYT August 27, 2023
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