jeff up 

to screw up really really bad

make sure you don’t jeff up.

jeff up by katealexander11 June 10, 2018

JefF'd Up 

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.

JefF'd Up by Mother Jeffer October 6, 2012

wake up jeff 

Line from a Wiigles song, taken in to the Australian venacular said to someone doing or who has just done something REALLY stupid

Eric (Saying to Dan, after Dan just put the milk in the pantry and the bread in the fridge) : Wake up Jeff

wake up jeff by Sketchey January 6, 2008

Shut UP Jeff 

to tell someone to shut up with the name Jeff, after they are negative

Shut UP Jeff your such a negative nancy

Shut UP Jeff by Mr. MEme MAN January 31, 2018