Definitions by justanotherobserver

Jackson Day 

Leaving work before clocking off time under the pretence of having started earlier than usual or claiming to be working the extra hours at a later time.

Mike: "I started two hours earlier this morning so I'm going home at 2pm today"

Glenn: "Taking another Jackson Day eh?"

Mike: "Stop spreading malicious lies"

Jackson Day by justanotherobserver June 15, 2011