when banging your girl in the ass doggystyle, just as you're about to cum, you kick your legs clear off the bed and balance your weight on her back to a completed anal endo.
It was an awesome night, after watching reruns of the 'X' games I gave Suzy a wicked anal endo.
by Horacio H. April 28, 2006
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To pull an "endo" is to appear out of nowhere, particularly the moment a group of people are talking about you.
Josh: Hey did you hear about Bob?
Bob: Hey guys
Josh: Whoa, you just pulled an endo!
by Fubrub March 4, 2006
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Endo meaning cool or just outright awesome.
Can be used to describe something or someone.
1. "One of the daybies actually brought in there own food for once!" "That's so endo!"

2. Olivia: "We don't have school tommarow!"
Kaylee: "That's so endo!"
by Sniperx992 January 27, 2010
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When you and your partner are engaging in anal sex doggystyle position and you're about to ejaculate, you kick your legs clear off the bed with the soles of your feet parallel to the ceiling and balance your weight on your partners back to a completed rectal endo or anal endo.
After watching reruns of doogie howser MD I gave my partner an acute rectal endo.

The 'Rectal Endo' is the medical term used to describe this sexual right of passage and the 'Anal Endo' is the more commonly used street slang.
by Horacio H. April 28, 2006
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New origin. New energy source.

Everybody has the potential to tap into their Nio Endo if they find the courage to look into the unknown and challenge their mundane pattern of life. Your Nio Endo exists within you, remains an untapped source of energy that has the possibility to transform and change your entire perspective of life. It is only you and you yourself that can tap into you, Nio Endo. Albeit, it is difficult to find this source of energy within, once you do, your life will be transformed, goals steady and your mind open to the endless possibilities of life.

Nio (neo) - New / Endo (endogenous) - Within/Origin
I have changed my outlook on life after finding my Nio Endo.
by The Word Press July 22, 2021
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1.A group of individuals that meet and have large sessions smoking marijuana

2.A circle of friends,consist of "pothead"
"Hi Dave,have you been smoking marijuana?"
"Yes I have,I just left the session with the Endo Crew."
by BigEasy December 27, 2006
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