Green’s Dictionary of Slang

I suppose n.

also so I suppose
[rhy. sl.]

the nose.

[UK]‘Ducange Anglicus’ Vulgar Tongue.
[UK]Hotten Sl. Dict.
[UK]Sporting Times 6 Dec. 1/1: Went to read and write. Got lump of lead like Parish oven. North and south knocked on one side. I suppose smashed .
[UK]Sporting Times 30 Jan. 6/2: I heed not the Conkster, I scoff at his woes, / I fly at the sight of his so I suppose.
[UK]G.R. Sims ‘Tottie’ Dagonet Ditties 126: She’d a Grecian ‘I suppose,’ / And of ‘Hampstead Heath’ two rows / In her ‘sunny south’ that glistened / Like two pretty strings of pearls.
[UK]Pall Mall Gaz. 4 July 3/2: The ear and nose are [...] the ‘frosty and clear’ and the ‘I suppose’.
[UK]‘Doss Chiderdoss’ ‘Spoil-Sport Spectacles’ Sporting Times 11 Apr. 1/3: The fateful glasses came to him one day. / And, adjusting them with care above his classic ‘I suppose,’ / As he from the ‘home sweet’ trod the townward track.
[UK]W. Muir Observations of Orderly 225: A man’s arm is his ‘false alarm’; his nose, ‘I suppose’.
[Aus]Mail (Adelaide) 16 Feb. 1/4: This is how a class of rhyming ‘slangsters’ [...] discourse on anatomy:— Nose— I suppose.
[US]M.C. Sharpe Chicago May: Her Story in Hamilton (1952) 132: I suppose – nose.
[UK](con. 1900s) in J.B. Booth Sporting Times 88: And the thought came into her loaf of bread / Just to pop in her I suppose.
[UK]V. Davis Phenomena in Crime 34: His huge and bulbous pock-marked nose, ungenerously termed [...] a ‘Roman I-suppose’.
[Aus]Argus *Melbourne) 15 Nov. 7s/2: I simply adore your Jem Mace, your neat little Isuppose and your blonde Barnet Fair.
Index Jrnl (Greenwood, SC) 29 Nov. 5/4: I suppose — nose.
[SA]L.F. Freed Crime in S. Afr. 106: His ‘I suppose’ [is] his nose.
[Aus] ‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxv 6/3: i suppose: Nose.
[UK]R. Barker Fletcher’s Book of Rhy. Sl. 25: He had a big red I suppose.
[Aus]R. Aven-Bray Ridgey-Didge Oz Jack Lang 32: I Suppose Nose.
[UK]R. Walton ‘Cockney Jack’ 🌐 So Jack just punched him in the I suppose and the babbling brook fell down.
[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 93/1: I suppose n. nose.
[UK]M. Coles More Bible in Cockney 48: Your I-suppose is well lovely.
[Aus]B. Matthews Intractable [ebook] His old man was The Nose – a former prison governor who had more ‘I suppose’ than a White Pointer.