cyanosis

A bluish tinge or discolouration of one's skin or complexion due to lack of oxygen.

Can be caused by many factors e.g diet or smoking.

Doctor: I'm sorry but you have cyanosis
Victim: Well, that makes me feel blue.

cyanosis by SidBoy April 5, 2016

Cyanosis testiculosis 

When one's balls are blue because of insufficient ejeculation.

Call me an ambulance honey I got cyanosis testiculosis

Cyanosis testiculosis by The LC empire October 4, 2019

Cynosist

A Person With Accuracy, Abilities, and IQ at Any Game They Play.

OMFG DUDE ITS CYNOSIST

Cynosist by anonymous October 3, 2020