Green’s Dictionary of Slang

teetotally adv.

completely.

1821–5		‘Bill Truck’ Man o’ War’s Man (1843) 22: I’ll be teetotally d—d if Matt. Higgins shall allow either a tailor, or any other loblolly, to enter his crew.
1832		J. Hall Legends of the West 38: These Mingoes [...] ought to be essentially, and particularly, and tee-totally obflisticated off of the face of the whole yearth.
1843		R. Carlton New Purchase II 188: Well, bust my rifle, Carltin, if I wa’rn’t most teetotally and sentimentally wrong.
1859		C. Abbey diary 20 Sept. in Gosnell Before the Mast (1989) 212: The galley door which it teetotally smashed.
1865		H.L. Williams Joaquin 4: Well, I’m, tee-totally darned.
1873		Sl. Dict.
1878		Donaldson Chief (LA) 23 Mar. 1/2: May I be teetotally cow kicked over by a bull rush.
1882		E. Nye Forty Liars (1888) 25: I be teetotally dodbuttered if I don’t think we’ve cornered the sugar at last.
1890		‘Rolf Boldrewood’ Colonial Reformer II 123: They weren’t teetotally lost.
1912		A.G. Field Watch Yourself Go By 351: Well, I’ll be tee-to-tully durned.
1935		J. Conroy World to Win 329: Ain’t hardly a corner in that place you can keep dry in, though. Roof almost tee-totally gone.
1977		R. Coover Public Burning (1979) 110: Hell, all courtroom testimony about the past is ipso facto and teetotaciously a baldface lie.