adj. (vulgar).—A corruption of ‘obstreperous.’

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  1748.  SMOLLETT, Roderick Random, viii. I heard him very OBSTROPULOUS in his sleep. Ibid. (1762), Sir Launcelot Greaves, II. iv. He has been mortally OBSTROPULOUS, and out of his senses all this blessed day.

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  1773.  GOLDSMITH, She Stoops to Conquer, iii. 1. I’m sure you did not treat Miss Hardcastle, that was here awhile ago, in this OBSTROPOLOUS manner.

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  1785.  GROSE, A Classical Dictionary of the Vulgar Tongue, s.v. OIL.

4

  1847.  HALLIWELL, A Dictionary of Archaic and Provincial Words, etc., s.v. OBSTROPOLOUS. I was going my rounds and found this here gemman very OBSTROPOLOUS … Genuine London dialect.

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  1876.  G. R. SIMS, Dagonet Ballads (‘Moll Jarvis o’ Morley’). But their minds is so awful perwerted—they’re such an OBSTROPOLOUS pack.

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