lily law n.
(orig. US gay) the police.
|Gay Girl’s Guide 12: lily: MBS [Male Bobby-Soxer] term for policeman. often lily law (espcially in plural).et al.|
|There Must Be a Pony! 243: ‘Don’t you want the chicken?’ ‘Not with Lilly Law lookin’ on!’ she said, indicating the cops.|
|Homosexual Society Appendix 3, 167: Lilly, the law.|
|Queens’ Vernacular 125: Lilly (Law) the police [...] Miss Lily.|
|(con. 1927–30) Emlyn 27: Then there’s my antique dealer friend, likes chickens and since anything underage is dangereux I warned him to prendre garde a Lily Law.|
|Maledicta IV:2 (Winter) 230: Lillie Langtry (1852–1929) [...] gave us the name Lily meaning both prostitute and policeman (Lily Law).|
|Lingo 116: lily is the police.|
|Gayle 80/1: Lily n. policeman (abbr.) of Lily Law and her silver bangles.|