Green’s Dictionary of Slang

squawk v.

1. (US) to complain, to make a fuss.

[UK]J.G. Holland Sevenoaks xvii. 239: When a man sells himself to old Belcher, he mustn’t squawk an’ try to git another feller to help ’im out of ’is bargain .
[US]R.G. Hampton Major in Wash. City 21: Their hired foreign help began to squawk.
[US]F. Hutchison Philosophy of Johnny the Gent 29: He tumbles that he’s been double-crossed an he squawked something scandalous.
[Aus]Bulletin (Sydney) 10 Dec. 20/1: Stow it, Jerry [...]. Wot’s the use o’ squawkin’?
[US]Van Loan ‘Sanguinary Jeremiah’ in Old Man Curry 137: That’s it. Squawk before you’re hurt!
[US]R. Lardner ‘The Maysville Minstrel’ in Coll. Short Stories 1941 4: Old Townsend said the heater ate up too much gas and it would make the customers squawk. They squawked enough as it was.
[US](con. 1910s) J.T. Farrell Young Lonigan in Studs Lonigan (1936) 70: He squawked about dirty work being done to him.
[US]J. Weidman I Can Get It For You Wholesale 69: That was the end of their squawking.
[US]Mezzrow & Wolfe Really the Blues 21: Sid [...] wobbled down to the police station to squawk about how some hoodlums gave him the works and hijacked all his whiskey.
[US]J. Thompson Swell-Looking Babe 10: Those dames who worked you into making a pass and then squawked to the management.
[US]C. Brown Manchild in the Promised Land (1969) 107: I was thirteen so now it was okay for me to hang out. Nobody squawked.
[US]P. Pender in Heller In This Corner (1974) 377: He squawked later to cover up his own inadequacies.
[Aus]B. Humphries Traveller’s Tool 3: There are, however, topics in this book to cause feminists to squirm and anti-discrimination ratbags to squawk ineffectually.
[US]B. Hamper Rivethead (1992) 92: I squawked and raised enough hell about the stock-building portion of the job to have it [...] assigned elsewhere.
[UK]N. Barlay Hooky Gear 226: Theres an Arab squawkin in some broken lingo down his mobi with a few words poppin out every few secs.
[US](con. 1960s) J. Ellroy Blood’s a Rover 17: Dwight squawked to the US attorney. Wayne Junior fucked up his investigation.

2. to inform, to betray.

[US]H. Simon ‘Prison Dict.’ in AS VIII:3 (1933) 32/1: SQUAWK. To squeal; to rat.
[US]W.R. Burnett Little Caesar (1932) 202: They nabbed him on the Courtney business and he squawked.
[US]E. Anderson Thieves Like Us (1999) 84: People taking your money just didn’t run off and squawk.
[Aus]Smith’s Wkly (Sydney) 26 Feb. 3/3: Well, so many got bumped off and never squawked that the coppers got tired of pinchin’ the ‘rod-men’ concerned.
[US]J. Archibald ‘Bird Cagey’ in Popular Detective Jan. [ 🌐 Oh, we’ll make him squawk [...] He’ll tell us where Drupe is, or else—.
[US]D. Maurer Big Con 124: I lost my money and didn’t squawk.
[US]M. Spillane Long Wait (1954) 185: It always works. That is, always until somebody has sense enough to squawk.
[UK]B. Hill Boss of Britain’s Underworld 66: The women from whom I borrowed the gloves had squawked her head off.
[US]E. De Roo Big Rumble 30: ‘Lemme go or I’ll—’ ‘You’ll what? Squawk to the fuzz?’.
[US]G.V. Higgins Digger’s Game (1981) 97: The minute they grabbed him he squawked like a chicken.

3. to call for.

[US]H.C. Witwer Fighting Blood 89: Instead of tying into me like a man, why, he squawks for a cop.

In compounds

squawking-bags (n.)

a tattle-tale.

[UK]Odd Fellow 4 May 4/1: I didn’t like the dirthy spalpeen takin’ me fur an old squakinbags as would be glad av the jab.