a way of describing emo kids that have gone beyond normal emo

or

super emo
jesus his girlfriend just dumped him and he is acting all sumo

or look at her hair it is just sumo

he made his own band and writes poems all day, what a sumo
by Johntoast October 26, 2005
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absolutely none/no need

also means "suck my big fat ass"
there was a sumo need for joey
by sumomember1 December 3, 2020
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more of something
We ran out of weed so we had to go downtown and get sumo.
by jake February 21, 2003
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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.
by NecroSen June 29, 2005
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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.
by zombiefangirl March 21, 2011
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Sumo wrestling is not only the oldest of Japan’s various martial arts, it also evolved into the most distinct and ritualistic, to this day still heavily centered around the Shinto religion. When the sport was first introduced 1500 years ago it was performed mostly to ensure good harvests. Sumo’s popularity quickly spread, becoming a more public and widespread event. Matches were usually brutal, the loser often expected to forfeit his life. By the 7th century Sumo had fallen under the protection of the warring Shogunite regime and was largely banned as a public spectacle. Only the samurai, or warrior class, were allowed to practice it as part of their military training. Once peace was finally restored Sumo once again fell under the patronage of the Japanese royal courts and was dubbed the Imperial sport. By the 15th century Sumo wrestling had adopted a set of strict rules and the most talented champions were offered patronage by powerful feudal lords. In the early 1700’s “banzuke” or ranking lists, were established, a system which is still strictly adhered to today. The objective of the “sumotori," or competitors, many of whom weigh between 250 and 500 pounds, is to either knock his opponent from a specially-sized ring or manoeuvre him so that any part of his body touches the ground. This is done by using one or a series of 70 accepted Sumo moves, some of which are pushing, slapping, hoisting, tripping, pinning or throwing.
Six 15 day tournaments are held each year in Japan in the cities of Tokyo, Osaka, Nagoya and Fukuoka. Sumo matches are fought in a “dohyo," a raised and sanctified platform constructed with clay and sand and onto which a 14 foot 10 inch circle is marked out using half buried straw bales. Suspended above the ring is a wooden structure that resembles the roof of Shinto shrine. Each Sumo tournament begins with much pageantry and ceremony. The wrestlers, the referees, and the various attendants and helpers wear colorful attire, the design of which remains steeped in ancient traditions and meanings dating back to Japan’s Edo period. The grand champions, all wearing intricately embroidered silk aprons some of which are worth in excess of 500,000 yen, enter the ring first and begin their own elaborate rituals called “doyho-iri." There is no weight class in Sumo wrestling so very often the “rikishi," or competitors, find themselves squaring off against a much heftier opponent.
by Dancing with Fire January 26, 2011
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To squat down like a sumo wrestler to separate your sweaty ball sack from your thighs, after sitting with your legs closed for a long period of time.
Marty - Man, after driving for hours my balls got stuck to my thighs causing me to "sumo squat".

Anthony - LOLOLOLOL!

An Example of a Sumo Squat:
by Teh Asian One September 17, 2009
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