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Combination of the words cleft and testicle(s). Used to describe Peter Griffin's chin or one similar in size and shape to his.
Colin: Dude, is that a nutsack on his chin!?
Mario: No, those are his clefticles.

Steve: When I gave him an uppercut to his clefticles, it felt like I gave him a straight shot to the boys.
by Mario L & Colin O June 25, 2006
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