When two woman share the same toilet at the same time in a face to face semi-squat in a crowded club bathroom. With hands on opposing shoulders, an intense glare occurs in a battle for a speedy piss in an other wise crowded women's toilet..
Laura said the bathroom was busy but luckly she was able to pink sumo another woman to save time.
by GreenFields March 17, 2011
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The sex move Sumo Sunrise is when a women gets down on all fours and has 2 guys ram into her mouth and ass at the same time while yelling "Azukari!”
Friend 1: Yo me and the homie Will just did Sumo Sunrise on my hoe ass girlfriend

Friend 2: Ouch is she ok?

Friend 1: Yeah she fine but just wait till' we do the Monacco Melter on her
by BigPeePeePooPoo January 6, 2021
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when two obese people attempt to fornicate, but are too fat to do so.
"dude, i saw my step mom and dad sumo wrestling last night. it was nasty!'
by puunkinpiee January 19, 2016
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An Obese Woman whose stomach is so big, that it sticks out further than her breasts giving the illusion of a Sumo Wrestler.
Don't get me wrong, I love big girls. But she got Da Sumo and it feels like I'm with a dude!
by TagisJag August 1, 2011
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Two people over two hundred fifty pounds attempting to have sex.
Jim: Did you hear about the porno tape the people off of the Biggest Loser made?

Bob: Yeah it was total sumo sexing!
by Bored teens June 21, 2010
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does not protect against Duck Butter
my fingers smell terrible because of the sumo thong
by ToneDick January 15, 2006
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