Multitasking Object Oriented Network
Computing » Networking
To show one's rear end to another, as a measure of dis-respect. It is easy to moon someone if you are standing alongside the train track.
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MOOF - MOOGs - MOOK - MOOL - MOOM - MOONAI - Moonlight - MOOP - MOOR - MOOSE
"MOON." Abbreviations.com. STANDS4 LLC, 2016. Web. 7 Dec. 2016. <http://www.abbreviations.com/MOON>.