Green’s Dictionary of Slang

pensioner of the placket n.

[pensioner (at the petticoat) n./placket n. (1)]

a pimp.

[UK]Dialogue Between Mistress Macquerella a Suburban Whore 2: I would play Oedipus, and pull out my own eyes that I might not behold the misery that is fallen upon the poor pentioners of the Placket.