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.
by SidBoy December 27, 2015
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Cyanosis testiculosis

When one's balls are blue because of insufficient ejeculation.
by The LC empire October 04, 2019
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