When your girl is so amazing and sexy she/he is always happy bubbly out going and loves kids show
by Your bigirl September 13, 2020
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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 8, 2020
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A shit that comes out so fast, you can't decide if it's liquid or solid.
I took a mystery shit last night.
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When some unexpectedly kind of liquid sprinkles on your head/body, and you have to touch it with your hand and look at it to identify the liquid. This usually happens when it's not raining or when you're inside. The build-up to the reveal is always intense, yet 9/10 times it's still water. You always think it's birdshit or some kind of bodily fluid.
"I walked beneath a tree yesterday and got a mystery sprinkle. I thought it was birdshit but it turned out to be just water."
by Piemelfiets October 25, 2017
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Finding an unknown object and t-bagging it.
Tim: What's that?
David: I don't know
Tim: *T-bags it*
David: MYSTERY T-BAG!!!
by OhMehDamn July 18, 2011
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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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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 8, 2019
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