Green’s Dictionary of Slang

fish-eye n.1

In phrases

give someone the fish-eye (v.) (also ...the fish, ...the fishy eye, ...the frozen eye, fish-eye) [the wide, round eyes of a fish]

(US) to stare at (in a hostile manner).

[US]‘Hugh McHugh’ It’s Up to You 43: It seemed to me that everybody in the world was giving me the fish eye.
[Aus]Bulletin (Sydney) 29 Aug. 16/1: She didn’t cheek us once or give us the frozen eye like the usual city duchess-in-waiting, but just [...] straggled in and out with the food in a happy, savage fashion.
[US]R. Lardner Big Town 18: Every time one of them looked our way I give him the fish eye and the non-stop signal.
[US] in W.C. Fields By Himself (1974) 391: The girl gives him the fish-eye.
[US]W. Winchell On Broadway 13 Oct. [synd. col.] Reuben gave him the fishy eye, and then said [...].
[US]R.L. Bellem ‘Death Ends the Scene’ Hollywood Detective May [Internet] The cop gave me the fish-eyed focus but looked as if he yearned to hear more.
[US]H. Whittington Forgive Me, Killer (2000) 75: Two hoods [...] gave me the fish eye.
[US] in T.I. Rubin Sweet Daddy 12: Some of the lousy crumbs give me the fish.
[UK]P. Carstairs Concrete Kimono 202: Roderick was giving me the fish-eye again.
[US]J. Yount Trapper’s Last Shot (1974) 11: The driver gave him the fisheye and pulled off slowly.
[US]E. Torres After Hours 36: The two broads were fish-eyein’ me.
[US](con. 1949) G. Pelecanos Big Blowdown (1999) 207: The house dick, a fat, bald-headed dude who’d given Matty the fisheye from time to time.
[UK]N. ‘Razor’ Smith Raiders 71: Ronnie gave him the old fish-eye. ‘You wouldn’t be thinking of grassing us up, would you, Fred?’.