Green’s Dictionary of Slang

to the extreme; entirely, utterly, esp. in broke to the wide under broke adj.¹ and done to the wide under done adj.

1895		‘G.G.’ Sporting Sketches in Sportsman (Melbourne) (18/10/1898) 5/7: ‘Done in, fairly busted, and beat to the wide-wide’.
1905		‘Doss Chiderdoss’ ‘Off the Mark’ Sporting Times 22 Apr. 1/3: She called that being sober, when of course ’twas proof most weird / I was absolutely blue blind to the wide!
1916		F. Dunham diary 28 Nov. Long Carry (1970) 14: This was about 3.30 a.m., all felt ‘whacked to the wide.’.
1917		W. Muir Observations of Orderly 230: The words for drunkenness are innumerable — ‘jingled,’ ‘oiled,’ ‘tanked to the wide,’ ‘well sprung,’ ‘up the pole,’ ‘blotto’, etc.
1920		‘Sax Rohmer’ Golden Scorpion 231: An’ not a ‘oat’ in me pocket— not a ‘bean’! Broke to the wide.
1925		(con. WWI) Fraser & Gibbons Soldier and Sailor Words 303: Whacked To The Wide: Tired out.