O Pollaky!, excl. — Green’s Dictionary of Slang

O Pollaky! excl.

[proper name of Ignatius ‘Paddington’ Pollaky, a celebrated contemporary private detective, with an office on Paddington Green, whose exploits, and surname, entered the common language; W.S. Gilbert also found room for him in a lyric, ‘the keen penetration of Paddington Pollaky’ (Patience, 1881). That said, note the euph. for coarser excl. oh bollocks!]

nonsense! rubbish! don’t make such a fuss!

1909

J. Ware Passing Eng. of the Victorian Era 185/2: O Pollaky! (Peoples’, 1870). Exclamation of protest against too urgent enquiries. From an independent, selfconstituted, foreign detective, who resided on Paddington Green, and became famous for his mysterious and varied advertisements, which invariably ended with his name (accent on the second syllable), and his address.