in terms of internet slang-
when a man does something good,

he is on his king shit.

to sport a boner, fly the sail at full mass, rock hard, etc.

it means you are the end all be all of everything.

someone who thinks they are more important than they are

someone whose attitude changed after something good or even bad happened

To be plenty of steps above all the pettiness and little stuff that can hold you down in life.
Things that a well known, well reputed and respected man does on a daily basis, because he can't settle for no less than that in his life.
To be on the cutting edge on all things important in the hood.

shit that is majorly kingly

from the latin phrase king's shit

To take the first hit from a bong, usually a gravity bong, where the first hit is most potent.