Top Definition
1. a person or persons of Michigan and/or Lebanese descent who has only one real testicle. Often accompanied by a glow in the dark prosthetic testicle whose true color can only be seen under the stars, on a clear summer night in Charleston.

2. Who needs two?
Person1: You see that guy over there? He's rocking a uni....

Person2: A what?
Person1: You know, he's uniballular.

Person2: Oh!
Person1: Yea, he's the fastest swimmer in the water.
by lifethelifesean March 27, 2014
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