Green’s Dictionary of Slang

chop suey adj.

[chop suey n.]

Chinese; usu. of an establishment or person.

[US]Hopkinsville Kentuckian (KY) 13 July 4/4: The chop-suey young man reached down and closed his hand over it.
[US]R. Lardner ‘Carmen’ in Gullible’s Travels 15: She came to look for Don Joss that run the chop-suey dump.
[US]M. West Babe Gordon (1934) 121: Look at you. Must be a hostess in some chop suey dance hall.
[US]J. Archibald ‘Short Order Crook’ in Ten Detective Aces Apr. 🌐 A Chinaman will shoot the works [...] when it comes to boxing the bones of an honorable benefactor [...]. But no chop suey citizen is chump enough to chase back to where he left a stiff.
[US]D. Jenkins Life Its Ownself (1985) 300: Ying wouldn’t give me the Del Mar number even though I threatened to [...] dust his chop suey ass.

In compounds

chop suey joint (n.)

a Chinese restaurant.

[US]Sun (NY) 1 May 4/2: The investigators went to Chinatown. They visited [...] a chopsuey joint.
[US]Wash. Herald (DC) 23 June 2/3: Chung Sin knew what happened in the rooms over Sun Leong’s chop-suey house in Eighth avenue [...] he knew the customs of the chop-suey place.
[UK]Eve. Standard (Ogden City, UT) 27 Mar. 2/2: I enforced the law against disorderly saloons and chop-suey joints.
[US]Wash. Times (DC) 26 Aug. 1/5: With flags of the Chinese republic flying from shops and chopsuey emporiums, Chinatown [...] protested.
[US]Wash. Times (DC) 30 Apr. 20/1: From Fifth aveneue [...] to Canton Charley’s chopsuey joint, consternation and indignation followed.
[US]D. Runyon ‘Little Miss Marker’ in Runyon on Broadway (1954) 295: Next to the chop-suey joint.
[US]E. O’Neill Iceman Cometh Act I: She woke up Chuck [...] to go to a chop suey joint.
[US]J. Ciardi Good Words 70: Chop suey joint. A Chinese-American restaurant.