1. A man... or woman with only one testicle which makes it incredibly hard to ride a whorse
2. A person who lacks true manlyness and attempts to mask his insecurity by carrying out idiodic tasks. (in this sense it is similar to the cliche of putting all your eggs in one basket)
Being a unitesticle George W. Bush desided to go to war with Iraq.(which is not pronounced I-Rack but earoch)
by Wolf Wintegny January 4, 2004
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Uni-testicle is referred to a person who's bad at gaming. This is a word invented by "Zemog" - a player on Xbox live player notorious for talking nonsense online.
Uni-testicle quickly spread around various sites and became a slang for someone worse then the person using the word.
I have a uni-testicle (Pronounced; Uuuuunitesticle.)
by SGACarson November 13, 2009
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When 2, 3 or more testicles are merged into 1.
Have you seen Mike's unitesticle?

I walked up to that gay kid in the locker room and slapped him in his unitesticle.
by zombie vagina October 6, 2018
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