Green’s Dictionary of Slang

1. one who has a noticeable Irish accent.

1785		Grose Classical Dict. of the Vulgar Tongue n.p.: broganeer one who has a strong Irish pronunciation or accent.
1796		Grose Classical Dict. of the Vulgar Tongue (3rd edn) n.p.: Broganier. One who has a strong Irish pronunciation or accent.
1811		Lex. Balatronicum [as cit. 1796].
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.
1832		Satirist (London) 8 July 222/1: His blarney’s bewitchingly plasing, / There’s a charm in his lisp, quite amazing; / God bless ye, employ / The ould broguineer’s boy.
1834		(con. 1737–9) W.H. Ainsworth Rookwood (1857) 115: Don’t hurt that fat, mutton-headed Broganeer.

2. attrib. use of sense 1.

1797

M. Leeson Memoirs (1995) III 183: Mrs B-- appeared to be a little termagant, a vulgar Munster broganier vixen.