An extreme version of a freak out brought on by something completely insane, to a point where there is no option but to deny it could happen, a reference to the content of FOX's Fringe.
George: Hey!
Jim: Hey George, I just saw your girlfriend making out with your dad.
George runs off yelling.
Steve: Jim, what's up with George?
Jim: He just Fringed out over his dad rack jacking him.
by StupidSanc November 20, 2009
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