Green’s Dictionary of Slang

hairy adj.2

[ety. unknown]

1. dangerous, exciting.

[UK]Sporting Gaz. (London) 6 Dec. 1559/2: [T]he obstacles about were what are called in slang terms ‘hairy,’ and it would have been worth seeing the fine riding which would have been required to successfully negotiate them.
[UK]Star (NZ) 23 Mar. 4/2: [from Longman’s Mag.] It doesn’t look very hairy, here ahead.
[UK]‘Sapper’ No Man’s Land 92: This sunken road is always hairy [...] It were unwise to linger, sir.
[Aus]M. Garahan Stiffs 241: It was a hairy ride.
[US]‘Weldon Hill’ Onionhead (1958) 207: There would be a hairy expolosion when Higgins found out.
[US](con. 1945) G. Forbes Goodbye to Some (1963) 193: Ainsworth took him into some big hairy cus when they sighted the fighters and he lost him due to awful turbulence, which Tuck says, scared him more than the fighters.
[US]E. Torres Carlito’s Way 16: The Ricans had some other hairy guys.
[US]M. Baker Nam (1982) 74: You hit the LZ and it’s hot. The door opens up and you run out screaming [...] That’s got to be the hairiest thing in the world. Adrenaline for days.
[Aus]R.G. Barrett White Shoes 155: Chill mmories of the shoot-out with the IRA [...] flashed across Norton’s mind. Christ! I hope it’s not anywhere as hairy as that.
[UK]Indep. Rev. 18 June 8: There were a few hairy moments [...] when drinkers pelted him with bottles.
[US]Codella and Bennett Alphaville (2011) 39: As I got older the games got hairier. And even more fun.
[US]Rayman & Blau Riker’s 106: The conditions were hairy, and unfortunately the longer you stayed on the job, the more normal they became; even seeing things like [a hanging body] became normal.

2. difficult.

[US]D. Dressler Parole Chief 156: I was diligently supervising more tractable and less hairy parolees.
[US]H.S. Thompson letter 19 Oct. in Proud Highway (1997) 357: Had I not been rich, things would have turned hairy in a hurry.
[UK]‘P.B. Yuill’ Hazell Plays Solomon (1976) 129: Take it very easy [...] This whole affair could become pretty hairy.
[US]D. Woodrell Muscle for the Wing 122: The layout sounds a little hairy but I think we can handle it.
[US]D. Gaines Teenage Wasteland 112: Sometimes, when things get hairy, they grasp at particular elements of their religions of origin.
[UK]Indep. Rev. 22 Jan. 5: There were a few hairy moments.
[UK]K. Richards Life 281: Stu said [...] ‘Getting a bit hairy, Keith’.

3. excellent, first-rate.

[UK]Kipling Barrack-Room Ballads ‘The Widow at Windsor’ (1893) 179: Did you hear of the Widow of Windsor with a hairy gold crown on her head?
[Aus]M. Garahan Stiffs 175: I leapt in with a real hairy idea.
[US]Baltimore Sun (MD) Sun. Mag. 4 Dec. 9/1: He had feet, rodded a bomb that was real hairy, and stacked up as the ginchiest speed man in school.

4. wary, sharp.

[Ire]Joyce ‘Two Gallants’ Dubliners (1956) 49: She doesn’t know my name. I was too hairy to tell her that. But she thinks I’m a bit of class, you know.
A. Niederhogger Behind the Shield 55: [of NYPD sl.] ‘Hairy’ stands for smart, shrewd, and conniving. ‘On the arm,’ and ‘egghead’ are fairly well known in common parlance.
[UK]R. Milward Kimberly’s Capital Punishment (2023) 327: The police officers give each other a hairy look.

5. (orig. Irish) impressive, sometimes used as an intensive.

[UK]R. Whiteing Mr Sprouts, His Opinions 21: I chucks on my new velveteen startler [...] and a hairy cap, and them high-lows as I had made.
[UK]Star (NZ) 23 Mar. 4/2: [from Longman’s Mag.] A Johnnie named Malherbe [...] is breaking down for the colony with his commando, about four hundred of them — a hairy old lot.
[Ire]Joyce Ulysses 165: O, by God, Blazes is a hairy chap.
[UK](con. 1912) B. Marshall George Brown’s Schooldays 91: I say, you have got a hairy pluck, haven’t you?
[UK]A. Buckeridge Jennings Goes To School 34: It’s just super-hairy cheek.
[US]R.E. Alter Carny Kill (1993) 20: Some hairy-lunged college boy [...] blew through a horn that was ten feet long.

6. (US) bad or unsatisfactory.

[Aus]M. Garahan Stiffs 180: Cherry declared that if he had been a bit ‘hairy’ years ago, for the last five years he had lived a blameless life.
[UK](con. 1914) B. Marshall George Brown’s Schooldays 177: It’ll be a hairy pity if your nose starts running but you’ll just have to use your sleeve.
[UK]A. Buckeridge Jennings Goes To School 90: Oh, don’t be such a hairy ruin.
[US]L. Rosten Dear ‘Herm’ 309: His barbecued perch [...] tasted pretty hairy to me.
[UK]Guardian Rev. 10 July 7: It was a hairy old (and some said tasteless) gag.
[NZ]McGill Reed Dict. of N.Z. Sl. 96: hairy 1. Rundown or of doubtful value.

7. (US) stylish, excellent.

[US]M. Braly Shake Him Till He Rattles (1964) 106: ‘Where’d you get the hairy fiddle?’ Cabiness pulled at the front of his new suit coat.

8. weird, complicated.

[US]H.S. Thompson letter 8 Dec. in Proud Highway (1997) 297: That second letter of yours struck me as an extremely hairy thing. Like finding a toad in the mailbox.
[US]B. Rodgers Queens’ Vernacular 102: hairy 1. (dated) complex, involved, entangled.
[US](con. 1968) Bunch & Cole Reckoning for Kings (1989) 289: Mosby couldn’t see all these suffering old folks dancing the polka with a bunch of hairy bikers.
[US]C. Hiaasen Stormy Weather 68: It’s too hairy to explain over the phone.
[US]J.E. Lawson Last Burn in Hell 12: It’s tragic when shit gets hairy / And you’re buried io potter’s field dead with your dick in the dirt.

In phrases

give someone the hairy eyeball (n.) [eyeball n.2 (1)]

(US) to give someone a hostile look.

[US]N.Y. Times Mag. 24 Nov. 52: ‘He gave me the hairy eyeball’ means that somebody was disapproving [HDAS].
[US]T. Whitmore Memphis-Nam-Sweden 24: They’re all giving us the hairy eyeball, but no one is saying a word.
[US]J. Sayles Union Dues (1978) 195: I didn’t have my ID and the guy gave me the hairy eyeball all the time I’m in there.
GI Joe Sept. 17: Why is this bozo giving us the hairy eyeball? [HDAS].
[UK]K. Lette Llama Parlour 17: It took me a minute or two to suss that the other guests were giving me the old hairy eyeball.
[US]J. Lethem Fortress of Solitude 209: Waiters gave the hairy eyeball all through the meal, expecting a scarf-and-run.
[US]T. Robinson Hard Bounce [ebook] Mullet and I kept giving each other the hairy eyeball.