1. the buttocks

2. to display one's nude buttocks
Jim got sent to the principal's office for mooning in school today.
by Light Joker December 14, 2004
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another way of saying "for days". "really good or great" or alot. If a person uses to the moon and back, it is just a greater extent of to the moon
"Dude, I've got a stack of homework to the moon."
" Mac Miller has got it to the moon and back!"
by WaterPoloGirl12 October 8, 2011
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Absolutely high off your ass. When one is "on the moon" they are struggling to hold a fragment of a thought. Being on the moon is typically only achieved when one has really good gas or, what some would call Thrax
Man, Mikey brought over some moon rocks las night and I was on the moon, man
by ShawtyFlynn April 19, 2018
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the act of showing ones naked ass for pleasure or any other stupid reason. usually done by fucktards and other equally stupid persons.

also is the big round bright thing you see on the skies at night. also a name.
When you weren't looking, the faggot pulled down her pants, bent over, and mooned you.
by Your local Blasian February 16, 2009
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To spend time lusting over a person or an object. To be seriously and obsessively addicted to something or someone.
Dan: "Oh dude there goes Alison!"
Mike: "Oh man...I mooned over her for so long...."
by Mytola August 6, 2006
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A moon moon is a person who enjoys licking the floor
“Why are you licking the floor?”
“IM A MOON MOON ARREGGUURG”
by PsychoSam1234 November 17, 2018
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It’s a combination of No one and Moo as in the sound cows make which means that no one cares cause you’re fat
Cas: I think that’s extremely fat phobic

Ana: Moone bitch
by Hotrussianspy February 8, 2022
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