Green’s Dictionary of Slang

mush n.3

1. as abbr. mushroom n.

(a) (UK Und., also mush-toper) an umbrella.

[Scot]D. Haggart Autobiog. 62: In one shop, they nabbed two mush-topers.
[UK]‘Ducange Anglicus’ Vulgar Tongue.
London Figaro 15 June n.p.: What pretty faces, mush of mine, I’ve sheltered ’neath thy shade [F&H].
[Aus]Dead Bird (Sydney) 3 May 2/1: Said Smiler to the Prodigal last week, ‘Lend us your umbrella, old man.’ [...] Next day Prodigal was met by Smiler [...] with ‘mush’ in full working order.
[UK]Sporting Times 21 Feb. 5/3: The unholy glance [...] which that prospective member had cast at the club stick-and-mush rack.
[US]F. Hutcheson Barkeep Stories 23: ‘On me way out I gets a swell mush’ [...] he brought forth from under the back bar and held aloft for inspection a swell silk umbrella.
[UK]Sporting Times 6 Jan. 5/4: When the play is over homeward thro’ the slush, / Drest in humble fashion — p’raps without a mush.
[US]Salt Lake Herald (UT) 19 Oct. 5/1: He’s weeding [the pocketbook] when he sees a grab all across the street leaning on a mush with a steamer in his face.
[US]J. Sullivan ‘Criminal Sl.’ in Amer. Law Rev. LII (1918) 891: A ‘mush’ is an umbrella.
[US]‘Lord Ballyrot in Slangland’ in Tacoma Times (WA) 21 July 4/4: You want to splurge in a yaller slicker and a mush [...] I can fit you out with a douse-proof outfit.
[US]G. Henderson Keys to Crookdom 412: Mush. An umbrella.
[UK]X. Petulengro Romany Life 242: The mush of to-day is useful for a few weeks only, then you buy a new one.
[US]C. Rawson Headless Lady (1987) 29: A mush is an umbrella and a skinned mush, consequently, a cane.
[US]Goldin et al. DAUL 143/2: Mush. A stolen umbrella.

(b) (US Und.) a confidence game played at a ball park where the confidence trickster poses as a bookmaker, taking bets, then raises an umbrella and disappears into the area where everybody is holding umbrellas.

[US]D. Maurer Big Con 302: The MUSH. A short-con game played at the ball parks. The operator poses as a bookmaker, takes money for bets, then raises his umbrella (the mush) and disappears into the maze of umbrellas in the bleachers.

2. in pl., mushrooms.

[Aus]Sport (Adelaide) 10 July 3/6: Flo. H. [...] and The Unknown went out mushrooming [...] No mushes up the creek, is there?
[Ire]D. Healy Sudden Times 155: Mushrooms! Look at the lovely mush!
Zack’s Snacks Restaurant, London, WC1 Item on Menu : Bubble, Mush, Toms, Beans (veg).

In compounds

mush-faker (n.) (also mush-fakir, mush-rigger, mushroom-faker, mush toper feeker) [faker n./SE fakir/rigger n./toper n.]

one who advertises themselves as a mender of umbrellas, or pedlar, but may well use this respectable job as a cover for more fraudulent pursuits; thus mush-fake v.; mush-faking n.

[Scot]D. Haggart Autobiog. 56: We met in with Tom Wilson, alias Tommy Twenty, a mush toper feeker.
[UK]W.A. Miles Poverty, Mendicity and Crime; Report 155: Itinerant umbrella makers [...] pass shofell, i.e. bad money, and are called mushroom fakers.
[UK]G.W.M. Reynolds Mysteries of London III 85/1: A Stranger—looked like a mushroom-faker. Lily benjamin .
[UK]Hotten Dict. of Modern Sl. etc. 66: MUSH FAKER, an itinerant mender of umbrellas.
[US]Matsell Vocabulum 57: mushroom-fakers Umbrella hawkers.
[UK](con. 1840s–50s) H. Mayhew London Labour and London Poor II 115/2: The term [...] has become very generally condensed among those who carry on the trade – they are now mush-fakers. [...] The mushroom-fakers will repair any umbrella on the owner’s premises.
[Aus] glossary in Occurence Book of York River Lockup in Seal (1999) 37: Was a mushroom faker, has been on the steel for snamming a wedge sneezer so I must hoop it.
[UK]A. Smith Street Life in London (1969) 108: The real ‘mush-fakers’ are men who not only sell but can mend and make umbrellas. [...] he gradually obtains a stock of very old umbrellas, and by taking the good bits from one old ‘mushroom’ and adding it to another, he is able to make [...] a tolerable stout and servicable gingham.
[UK]Newcastle Courant 2 Sept. 6/5: In the guise of a mushroom-faker he had been out to take stock of a likely crib.
[UK]Manchester Courier 28 Jan. 10/5: There was an inevitable ‘mush-faker’ putting on a new ferule on an umbrella.
[Aus]Sydney Sl. Dict. (2 edn) 6: Mushroom Fakers - Umbrella makers and repairers.
[UK]Clarkson & Richardson Police! 321: Umbrella menders ... Rib-doctors, mushroom fakers.
[UK]Yorks. Eve. Post 15 Apr. 1/7: [The] variety of occupations adopted by tramps is enormous [...] There are ‘mushfakers,’ ‘chaneyfakers’ (menders of china), ‘cadeyfakers’ or ‘grubbers’ (hatters) and so on.
[UK]P.H. Emerson Signor Lippo 91: My old man was a romany and got his dudder by chinay-faking and mush-faking.
[Aus]C. Crowe Aus. Sl. Dict. 51: Mushroom Fakers, umbrella hawkers.
[US]J. Flynt Tramping with Tramps 240: The ‘mush faker,’ or umbrella peddlar and mender, and the ‘fawny man’.
[UK]Leamington Spa Courier 20 Sept. 7/1: There are a great many tramps staying in this district at the present time [...] We have among us [...] ‘mush fakers’ (umbrella menders).
[US]Morn. Tulsa Dly World (OK) 13 June 19/3: Mush fakir — A traveling umbrella mender.
[US]‘A-No. 1’ Mother of the Hoboes 43: The Rating Of The Tramps. 7. Mush Faker. 8. Mush Rigger: umbrella mender who learned trade in penal institution. [Ibid.] 82: They found a razor they knew to have belonged to Boston Whitey, the mush faker.
[US]P. & T. Casey Gay-cat 303: Mush-Fakir — a mender of umbrellas The mush-fakir makes a practice of collecting umbrellas to mend and of not returning them.
[US]N. Anderson Hobo 99: The Mushfaker is a man who sells his services. He may be a tinker, a glazier, an umbrella mender, or he may repair sewing machines or typewriters. Some mushfakers even pose as piano tuners. [Ibid.] 100: [From A No. 1, The Famous Tramp] 7. Mush Faker & 8. Mush Rigger. Umbrella mender who learned trade in penal institution.
[US]‘Dean Stiff’ Milk and Honey Route 35: A hobo who goes about mending umbrellas, and soldering teapots is known as a ‘mush-faker’.
[US]G. Milburn Hobo’s Hornbook 149: I’ve bugged-up, bo, and mush-faked – done time in old L.A.
[UK]X. Petulengro Romany Life 241: The mush-fakirs used to be in clover in the old days but in these days of cheap mass-production umbrellas, he finds it difficult.
[US]Monteleone Criminal Sl. (rev. edn) 160: mush faker [...] an umbrella mender.
[US]Goldin et al. DAUL 143/2: Mush-faker. An umbrella thief who solicits umbrellas for repair and fails to return them.