Green’s Dictionary of Slang

1. a long-winded, monotonous speaker; also attrib.

1601		R. Yarington Tvvo lamentable tragedies n.p.: White liuered Paisant, wilt thou vowe and sweare, / Face and make semblance with thy bagpipe othes, / Of that thou neuer meanst to execute?
1603		H. Crosse Vertues Common-wealth n.p.: The Servingman, the Image of sloath, the bagge-pipe of vanitie, like a windie Instrument, soundeth nothing but prophanenesse.
1612		Chapman Widow’s Tears I ii: Whoreson bagpipe lords!
1850		T. Carlyle Latterday Pamphlet v 169: Such parliamentary bagpipes I myself have heard play tunes [F&H].
1884		Christian World 19 June 463 4: Two fresh sermons a week... from the one poor droning theological bagpipe [F&H].
1915		M.G. Hayden ‘Terms of Disparagement’ in DN IV:iii 208: bag-pipe, chatterbox. ‘After pay day, Pat is a regular bag-pipe.’.

2. (US black) a vacuum cleaner.

1944

‘Jiver’s Bible’ in D. Burley Orig. Hbk of Harlem Jive.