From the Greek endo for inside, within. Meaning, of course, the same. E is for Endo is a common T-Shirt worn by cool dudes and galz who like it "inside" rather than outside.
Example 1 - Dude: I had an infection inside my intestines and they had to give me a gastrointestinal endoscopy. I wasnt so much afraid of the pain but rather that I'd like it.
Example 2 - Girl: Wow, the guy yesterday really got endo with me.
by Smartaz January 11, 2006
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another name for hookah, waone-ter pipe, nargeela/nargile/narghile/nargileh, argeela/arghileh, shisha/sheesha, okka, kalyan, ghelyoon or ghalyan, or hubble-bubble/hubbly-bubbly.
by chris ~ theripcity32 June 21, 2006
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The name of a really cool Rock-band from Miami. They call themselves that because their music is said to reach way back into the darkest depths of raw emotion and expose those feelings with every note.
"Yo, did you guys hear Endo rock the place last night? It was totally AWESOME!"
by Number One Endo fan March 16, 2006
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Aussie term for what the rest of the world knows as a gainer;

A running reverse backflip that can be done off a springboard or a platform. Many people can't do them due to the mental block of going upside down, but they really aren't that hard.
Aussie bloke: you going to endo that?
Aussie Shelia: yeah mate I'll definitely endo it, it'll be fully sick mate!
by Taylor November 29, 2006
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An uncommon japanese surname that are descendants of the powerful Fujiwara Clan, mainly found in eastern japan. In the past this clan were powerful daimyos, nobles or in aristocracy
Oh! Endo you say?!? They are a very strong and hardworking family!!
by yuukinox1827 April 25, 2016
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1. Chronic.
2. A 'wheelie' on a bike/motorbike with your back wheel off the ground.
"Keen to blaze sum of that endo?"
"I waz doing an endo at 180km/h with no helmet on the freeway and a cop 'clocked me'."
by Diego September 9, 2003
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crashing your mountain bike such that your rear tire goes over the front one during the course of the crash.
Holy shit you totally endoed in that sand pile, your bike went flying, you ok?
by KV July 3, 2003
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