Referring to the male genetals or long shafts (long shafts have more accurate cum shots).
Also can refer to the action of ejaculation.
Also a sandwich at BK. (Prices and participation may vary)
Paul: Dude I think she wants your "big king!"
Ryan: Legit? If you're not being legit then just cav with that
Paul: You should "big king" on her face!
Ryan: Maybe I will! I've heard she's had her way with a few guys already so she probably would let me.