endo /ˈɛndəʊ/noun 12verb 2adjective 1forms 3 noun12 •(Philippines) A labor contracting system where workers are hired by employment agencies to work for a specific period of time until being replaced and prohibited from being re-hired.The landmark measure meant to eliminate 'endo' or the practice subcontracting of labor. — 2019 •(informal) Clipping of endometriosis. •(informal) Clipping of endocrinologist.Since my endo did not practice at the hospital I delivered at, I did not have the oversight I needed to adjust my fluctuating sugars […] — 2010 •A crash in which the back wheel of the bicycle lifts off the ground and the cyclist is hurtled over the handlebars. •A bicycle or motorcycle trick where the bike is ridden on the front wheel. •(slang) Marijuana.So as I drive home / I roll my window up / And my endo up in the same motion — 1994 •(informal) Clipping of endocrinology. •(informal) Clipping of endodontics. •(informal) Clipping of endodontic treatment. •Clipping of endogenic system.i love endos, all plural folks are so fucking valid, but also i feel like my actual legitimate DID is so much more severe than it is for all of my friends and it does get a bit isolating — 2022 •(Philippines) A person employed under this system. •(informal) Clipping of endosomatophilia. verb2 •To perform an endo (trick). •To suffer an endo (crash). adjective1 •Clipping of endogenic. formsendoed · endoing · endos