Top Definition
Equivalent to Fucked Up, with reference to the CEO of the largest airline in the US in 2012, who has fucked up said airline with his incompetence.
Dude, it's all JefF'd Up! I can't believe you JefF'd Up our plan.
#fucked up #screwed up #jacked up #messed up #dicked up
by Mother Jeffer April 30, 2012
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