Green’s Dictionary of Slang

Paris n.

Proper name in slang uses

In compounds

Paris brothers (n.) [play on stereotyped views of French sexuality]

(gay) homosexuals, esp. twins.

1972		(ref. to mid-1960s) B. Rodgers Queens’ Vernacular 146: Paris brothers (mid ’60s, fr pun on pair of brothers with Paris [?where Frenching comes from]) homosexual brothers, particularly if twins.
1986–7		Maledicta IX 56: Paris brothers n [R] Homosexuals, esp. twins; homosexual slang.

Paris bun (n.) [rhy. sl. = Hun n. (2)]

a Protestant.

1993

I. Welsh Trainspotting 127: Rents’s auld boy’s a soapdodger and a Paris Bun, but he’s no really intae this sortay gig.

Paris model (n.)

(Aus. prison) an attractive woman.

1990

Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Paris model. An attractive woman.

In phrases

in Paris (adj.) [Paris was a popular destination for such romantic flights]

(UK society) eloped.

1909

J. Ware Passing Eng. of the Victorian Era.