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New acronym for the internet meaning "Shut Up and Move On." Too often, arguments on internet forums turn into constant shoutfests with no beginning and no end. These arguments will never solve anything. Knowing this, the only way to end the argument is to just give it up entirely and move on to more pressing matters.

So, just tell the person on the other side of the argument to SUMO: Shut Up and Move On.

Just, please don't use it as an insult.
Let's just get this over with so we can get back to being reasonable people. Arguing constantly won't help anything anymore. SUMO.
SUMO by NecroSen July 10, 2005
Related Words
wow you are such a sumo for her.
sumo by coolleilab June 4, 2021
which means sootha moodu , in short!!
sumo by ool raja September 27, 2021
A man with desires, he loves being with his friends and always cares for them. Everyone loves his smile and stupidity.
Everyone wants to be close to you sumo!
Sumo by Daddy Michael November 22, 2021
to immediately and decisively end a relationship with someone who is gaslighting you.
Person 1: My boyfriend doesn't want me to come over to his house because he's alone with his "platonic" friend who he kissed previous.

Person 2: Girl, Sumo this man!
Sumo by Psumonym November 15, 2025

Sumo Fishing 

The act of trapping and devouring a sumo customer in the game Zombie Cafe by Capcom to fill the empty tummy of your low on energy zombie.

Introduced by a gamer/user Ant Man.
Gamer: This is just perfect, I've been waiting for this moment for days (extremely happy while starring at her iPhone).

Friend: Did you just get a promotion you've been waiting for?

Gamer: Ha ha, no. I've trapped a sumo in Zombie Cafe, I'm gonna go sumo fishing now, watch this, it's so much fun! LOL.
Sumo Fishing by zombiefangirl April 6, 2011