Green’s Dictionary of Slang

Richard n.

1. [mid-19C] (US Und.) a hunchback [the hunchbacked King Richard III].

2. [1910s–30s] (US Und., also Mr Richard) a detective [play on dick n.5 (2)].

In phrases

have the Richard (v.) (also have the dick) [theatrical rhy. sl.; Richard III = bird n.2 (4)]

[1960s+] (Aus.) to be finished or exhausted, to be irreparably damaged.