Green’s Dictionary of Slang

moose n.1

(orig. Can.)

1. a large, powerful, poss. clumsy man; thus a nickname.

[US]Anaconda Standard (MT) 23 May 1/1: It was in Des Moines in 1902 that he gained the nickname of ‘Moose’[...] ‘You’re as big as a moose’.
[US]Van Loan ‘Low Brow’ in Collected Baseball Stories (2004) 19: ‘Moose’ McGuigan was preparing for the fray.
[US](con. c.1910) S.H. Holbrook Holy Old Mackinaw 119: He was a moose of a man.
[US]R. Chandler Farewell, My Lovely (1949) 14: They call me Moose Malloy on account of I’m large.
[US]Baker et al. CUSS.
[Aus]B. Oakley Salute to the Great McCarthy 89: He’ll be up against Moose Tucker, one of the greatest animals ever to put on a boot.
[US]S. King Long Walk in Bachman Books (1995) 273: Hey Ma! Look at the big guy! Look at that moose, Ma!
[US](con. early 1950s) J. Ellroy L.A. Confidential 366: A moose like you could get reamed, steamed and dry-cleaned.
[Aus](con. 1964-65) B. Thorpe Sex and Thugs and Rock ’n’ Roll 5: A moose in a funky black dinner suit.
[US]T. Robinson Rough Trade [ebook] The first moose yanked the door handle of the cab, pulling hard enough to rock the car noticeably.

2. an unattractive woman.

OnLine Dict. of Playground Sl. 🌐 moose n. A very ugly girl.
[UK]A. Parkinson Cutting It Fine 69: Kitchen talk is pretty basic: what’s happened the day before, who’s shagging who, is she a moose, is she nice?
[UK]J. Niven Kill Your Friends (2009) 38: Michelle. She is, what do you call them, Schteeven, a moose? [...] But this is not a problem. We will find somebody else to front it.

3. (US campus) a very close friend.

[US]Eble Campus Sl. Spring 2: boy – best friend, term of utmost affection [...] Also bo, bro, dog, homie, moose.

SE in slang uses

In compounds

moose-face (n.)

(US) an ugly person who is nonetheless wealthy and thus attractive.

[US]Matsell Vocabulum 56: Moose-face. A rich, ugly-faced man; a poor but handsome young girl who marries an old, wrinklefaced, ill-looking rich man, is said to have married a moose-face [DA].
[US]M.G. Hayden ‘Terms Of Disparagement’ in DN IV:iii 206: moose-face, a rich, ugly-faced man. ‘Old Squire Seman is a regular moose-face’.
moose-fucker (n.) [SE moose + fuck v.]

a derog. term for a resident of Canada.

J. Barbarino GeistMag.com Oct. 🌐 Take the opportunity to jump onto the bar and scream anti-Canadian obscenities. I find that ‘Moose Fucker’ and ‘Big Fat Hunk of Canadian Bacon Faggot Shit’ work fairly well in antagonizing the softies.
J. Park Fringe Report 2002 🌐 His delightful set covers a ramble at leisurely pace through living in Edinburgh, warm pies, girlfriends, the death of his goldfish Squirty, nicknames, stereotypes, and the non-use in Canada of the insult ‘Moose-Fucker’ (because they know the size of a moose).
moose milk (n.) (also moose juice)

(Can.) some form of home-brewed alcohol concocted on the Yukon, e.g. milk and rum mixed.

[US]M. Prenner ‘Drunk in Sl.’ in AS XVI:1 Jan. 70/2: liquor [...] moose milk.
W. Brinkley Quicksand 169: When we do get back to port [...] we’ll have ourselves the biggest moose milk party this battered old crate’s ever seen.
[US]McCulloch Woods Words 119: Moose milk — A stiff drink made of coffee, milk, and rum, mostly rum.
Californian (Salinas, CA) 1 Feb. 38/5: Lenz, Rouser and anyone who cares to drop in gather [...] for doughnuts, fruit juice, coffee and ‘moose milk’. The ‘moose milk’ [...] was stricgtly for adulkts.
C. Hanson et al. Never Cry Wolf [film] Moose juice...consisted of equal parts of Moose brand beer and ethyl alcohol [HDAS].
[US](con. 1941) A. Kernan Crossing the Line 23: Happily drunk on ‘moosemilk,’ a mixture of coffee and bombsight alcohol, of 99 percent purity.
Capital Times (Madison, WIU) 4 Feb. 17/3: All these people [...] enjoying Moose Milk (a hot alcoholic drink).

In exclamations

moose shit! (also moose fuck!)

(US) used as an oath.

[US](con. 1940s) M. Dibner Admiral (1968) 216: ‘It’s the whisky makes my lips pucker.’ ‘Moose shit.’.
[US]J. Yount Trapper’s Last Shot (1974) 95: ‘Moose shit!’ Beau Jim said and sat down again.
C.T. Westcott Half a Kick 34: Gawl damn moose-fuck! [HDAS].