1. A cube-shaped testicle.

2. A person who has such a testicle.
1. Eww! Do you use your testicube as a dice?

2. Don't let him teabag you. He's a testicube.
by Cryptic May 7, 2005
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Paula: Oh my god! Those are some weird balls.
Bill: I know... I have testicubes.
........
Bob: Dude, why would you eat my pudding?!
Dan: I dont know.....
Bob: God dude your such a testicube.
by REILLYY!! January 12, 2011
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