$MO means Scam Mafia Official and or Stack Money Only. It is a known group of vandal hackers, ddosers, doxers, and scammers.
“hey have you heard of $MO before? I saw em’ on the news.”
“yeah, they stole my walking fishies credit card info.”
“yeah, they stole my walking fishies credit card info.”
by wandabuchen093 March 20, 2021
Get the $MOmug. It is like dimsim but only a thousand times tastier it is dipped in delicious sauce and eaten. Main momo's are chicken and buff.
by nepalyz_urbdictinary June 19, 2006
Get the Mo mo’smug. by Adam Cecchini January 3, 2006
Get the Mo Momug. by piggy1 May 27, 2008
Get the mo mo momug. 

