It would be dead against all policemanly etiquette.
Source: wiktionary
Policemanly
Synonyms for "policemanly"
Ranked by relevance and common usage.
Sample sentences
3 total sentences available.
'And I, in my sneaky policemanly way, wouldn't mind you having a chat with her.
Source: wiktionary
The astonished Ken Wharfe came by just in time to witness this bizarre spectacle and in an appropriately policemanly manner rebuked the butler for his 'unforgivably disloyal' and 'deeply unprofessional' behaviour.
Source: wiktionary