Top Definition
A really really funny male that gets the "box" hair cut and will make you so happy. He is really sweet and cute, and he is super sweet to his girlfriend. If you know a JCub, don't ever let him go. Attracted to Mackenzies usually.
"I love him! He is so sweet!"
"AW! What is he like?"
"He is like a JCub!"
by Kenzz May 03, 2008

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