Green’s Dictionary of Slang

penelope n.

also penelopes
[initial letters]

1. (US) a police officer, usu. male; the police.

[US]A. Newitz ‘Bay Area Sl.’ on Berkeley University Amer. Studies 102 Course Website 🌐 Penelopes – Police (E40).

2. (S.Afr. gay) the penis.

[SA]K. Cage Gayle.