Green’s Dictionary of Slang

1. in joc. use of police phr. ‘take down [one’s] particulars’, to remove a woman’s underwear, thus have intercourse.

1962

J. Wynnum Tar Dust 80: ‘Gee, I’d like ter take down ’er partic’lars’ ‘Huh!’ sniffed Dingo. ‘I don’t reckon she’s wearin’ any’.

2. (Irish) the male genitals.

1977

(con. 1940s) S. McAughtry Sinking of the Kenbane Head 101: A soldier [...] had me in a bear-hug and would have killed me if I hadn’t taken a grip of his particulars.

3. (US prison) any member of the authorities who has an immediate effect on a prisoner’s life: a warder, the sentencing judge, the parole board etc.

1983

R. Klein Jailhouse Jargon and Street Sl. [unpub. ms.].