When a man allows a woman to twist his Scrotum so tightly that the individual testicles are no longer distinguishable. Typically requires 8-10 complete twists to achieve Testicular Singularity.
Boris: "Hey Jeff, wanna come watch the football game at my house this sunday?"

Jeff: "No thanks Boris! My wife and I will be attempting to achieve Testicular Singularity that day!"
by Hugh Honey April 17, 2020
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