Extreme version of jet lag. A condition, which is a consequence of alterations to circadian rhythms. The jet fragged person does not only suffer sleep disorders but ends up being completely without any orientation in space and time.
A: Man, you look like crap!
B: Hmm? Just been around ... world two times ... days ... ?!
A: You got a serious jet frag! Better see a doctor.
by serious_maxx May 29, 2010

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