bluebottle

1. (UK, Australia, Ireland, slang, derogatory) A police officer.Examples: "I will have you as soundly swing’d for this, you bluebottle rogue!"; "[…] comic writers […] have never failed to make capital out of the New Police, Peel's Raw-Lobsters, Peelers, Blue Bottles, &c., &c."; "COOMBE: He got the clinch only last week — eighteen months. You see it's no good having anybody here as ain't got a^([sic]) unblemished character. We don't want to have the bluebottles come sniffing round here, do we?"AustraliaIrelandUKderogatoryslang

2. (derogatory, obsolete) A bluestocking.Examples: "To-morrow there is a party of purple at the “blue” Miss Berry’s. Shall I go? um! — I don’t much affect your blue-bottles ; — but one ought to be civil."; "There appears to be a growing disposition on the part of the literary and dramatic blue-bottles of this city to get up a national drama and to manufacture a new race of actors."; "..and did not the rich dowager-countess Bluebottle marry her footman, who forthwith became a lord and was made a privy counsellor."derogatoryobsolete