Imperial units; the units US astronauts used to land on the moon.
Ugh, why does google give height results in imperial? Don't they know that the vast majority of the world doesn't use moon units?

Lol, moon units are such a meme.
by TotallyNotMyRealName June 24, 2018
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The legal name that the late Frank Zappa gave to his only duaghter.
Moon Unit was the Val voice-over in the Frank Zappa Song "Valley Girl".
by Kurty December 6, 2006
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Similar to the G Unit the Moon Unit is a group of people that are space cadets.Crazy people who make alot of jokes. The group originated at Sobey's Head Office in Nova Scotia.
Man those people are crazy. Yea they're the Moon Unit
by Rob Mason October 20, 2006
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refers to a girls ass, preferably a big one. used in a derogatory way.
guy 1:"dude check out that chicks ass!"
guy 2: "thats the biggest moon unit i've ever seen!"
by Megzie May 29, 2006
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A moon unit is a person who resembles those who have landed on the moon- strong, powerful, and talented individuals. They have a lot of potential to reach aspirational heights.
Wow, you're so cool. You're a moon unit.
by notafatty.com January 28, 2013
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