Green’s Dictionary of Slang

1. a teetotaller; thus as adj., teetotal.

1894		Truth (Sydney) 15 July 1/5: Drink’s a Curse! / Water is the best Wet-Nurse! / I’m T.T.
1894		Truth (Sydney) 15 July 4/4: The Woman’s Suffrage vote had wrought / An influx of T.T.’s.
1910		Sun. Times (Perth) 6 Mar. 2nd sect. 17/4: A well-known beauty bookmaker, though never much of an imbiber of the liquor that leads to lamp-post climbing [...] has been ordered to remain a lifelong t-t. Is now on strict milk O.
1915		H. Chapin letter 22 Mar. in Soldier and Dramatist (1916) 110: A surprisingly large number of us are teetotallers [...] T.T. for the duration of the War.
1922		Joyce Ulysses 281: Are you a strict t. t.? says Joe. – Not taking anything between drinks, says I.
1936		W. Holtby South Riding (1988) 334: I’ve turned T.T. since I found my Ideel.
1946		J. Maclaren-Ross ‘Welsh Rabbit of Soap’ in Nine Men of Soho 40: She couldn’t stand the smell of drink. She was T.T.
1956		B. Behan Quare Fellow (1960) III i: Himself prefers T.T.s. He had an Irishman from Clare helping him one time, but he sacked him over the drink.
1970		H.E. Bates A Little of What You Fancy (1985) 448: You mean he’s got to be T.T.?
1993		M. Dibdin Dying of the Light 118: If one has been strictly TT all one’s life, as I have, there’s no mistaking the nauseous odour.

2. (gay) tit torture.

2010

W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 74: ‘I dnt bttm for knky fun eva. I do ws,f,tt, cb. nt n2 receiving pain’. Translated this means: I don’t receive anal sex. I offer water sex, fisting, tit torture, cock and ball torture, but I am not into receiving pain.