Top definition
The rapid expulsion of hair follicles from the male head to the extent of complete baldness.
I don't know man, look at all these guys gettin' their heads shaved and i'm over here suffering from kojackulation since i'm twenty, ain't even got eyebrows. Ya you laugh one of these days--POP you'll kojackulate then i want ya to laugh.
by Isack Sack December 22, 2007
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