Green’s Dictionary of Slang

king n.

1. [mid-19C+] (US campus) the best, usu. used with a suitable n. or v., as -king sfx .

2. [late 19C+] (Aus./US) a respected figure, e.g. in a prison, or the leader of a gang of larrikins; also attrib.

3. [1960s+] (gay) a masculine lesbian.

4. [2000s] (US black) a term of address.

5. see king hit n.

In compounds

King’s books (n.)

[late 19C-1920s] a pack of playing cards.

king daddy (n.) [sense 2 above + daddy n. (6)]

[1990s+] (US teen) the very best of a person, place or thing; thus the female counterpart queen mama n.

King Rat (n.)

[1970s+] (Aus.) a much admired person.

SE in slang uses

In compounds

king’s picture(s) (n.) (also pictures of his majesty) [the royal features as engraved or printed on money]

[mid-17C–mid-19C] money.

king’s plate (n.) [the ult. royal control of prisons and the police]

[early 19C] chains, fetters.

In phrases

draw the king’s picture (v.)

see under draw v.4