(noun) violent, uncontrolled rage that overtakes you when an asshole in front of you in line at the store holds up everyone by writing an old-timepaper check.
(noun) A word used to describe the position of a chess player when his king is in check.
50 Cent: yo fool ima open up a can o' whoopass and give you some serious checkage
The Game: no you aint, stop frontin fool cuz ima move my bishop here and take yo sorry-ass pawn.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.