1 definition by Smeg Me

Top Definition
An abbreviation for (S)hut (U)p (M)ove (O)n.
Dude, you really need to SUMO!
#shut up #move on #get over it #let it go #chill
by Smeg Me July 15, 2012
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.