A person who is exceptional at taking time off work, without anyone noticing.

This person has minimal work ethics, and usually comes in late, has long lunches and leaves early - making up silly excuses.
Andy: I am rolling out at 4.15 today. Fuck that 5 O clock shit.
Roscoe: Damn, how come?
Andy: Haircut. Ill do that shit on work time.
Roscoe: Damn Andy, you got in at 10, had a 3 hour lunch and leaving at 4.15! Your the Half Day King!
Andy: Word, yo.
by YourMate84 March 25, 2010
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Term used in the eastern underworld referring to a Rolex datejust as payment for inflicting serious bodily harm.
Wong put a half king on that fool's head and he ran to Bangkok
by Cheah Meng May 13, 2015
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