Meaning

1 senses
  1. (UK, historical, slang, uncountable)Male police officers disguised as gay men who instigated sexual encounters with gay men as an excuse to arrest them for soliciting sex.

Origin

From pretty (“effeminate”) + police.

From pretty (“effeminate”) + police.

Wiktionary, CC BY-SA 4.0 · source

See also

neighbours in the dictionary
pretty police — meaning, examples, forms, synonyms | Krumeto