Used to refer to a gay man. who is the bottom in a gay relationship. referring to how he takes it up the butt and yells out YESSS KINGGGG. originated from Eli Morrow (Winner of the biggest gaping asshole award) getting railed by Cade.
Yes-King is a quick and witty expression to say "Yes" to someone, while dissing them up at the same time. The insult from saying "Yes-King" is to infer that they are also a Wong-Fung-Ngai, which is very insulting in Chinese.
Juan-Pablo: Yo are we going to hit up some flylice my flend?
McLigz: Yes-King...Who are u mang? Dun be so lay!