Multi User Shared Hallucination. An old school online role playing (RPing) game.
Macross MUSH, Eat Tokyo MUSH, Masterforce MUSH
by Hellbunny March 20, 2003
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Word used by folk on the end of sentances, usually in greeting or acknowledging the presence of someone.

It is also another word for a camels vagina...apparently...
"Alright mush?"
"Hello Dave, how are ya mush?"
by Sarah J Blonde June 22, 2005
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Shush the mush! effective against mouthy chavs
by gills_fan April 13, 2006
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Mutual crush; your crush likes you back, but neither of you has the balls to do anything about it.
"You and your mush still pining for each other?"
by batmanwazhere July 26, 2017
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A slang word pointlessly tagged onto the end of a sentence when talking to someone you know and respect.

Commonly used by townies, and scunners.
You alright, mush?

Wanna go out tonight, mush?
by Col April 23, 2004
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MUSH stands for Mulit-User-Shared-Hallucination. It uses a very strange, psuedo-programming language, and is used by nerds to RP on regularly, often early into the morning.
Object created #31356: Homey
Homey/Sex=set
Homey/Sleep=set
Homey/Eat=set
Homey/CMD_ACTIVITIES=set
Jace's activities for the day: sex #-1 ARGUMENTS MUST BE POSITIVE INTEGERS, sleep 3, eat 6
by Bobman June 8, 2004
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