Green’s Dictionary of Slang

chop-chop! excl.

hurry up!

1834		Canton Register 13 May 76/2: We have also [...] ‘chop-chop hurry’ [OED].
1886		Yule & Brunell Hobson-Jobson (1994) 209/1: chop-chop, Pigeon-English (or Chinese) for ‘Make haste! look sharp!’.
1918		Van Loan Fore! 179: Shoo! Scat! Mush on! Vamose! Beat it! Hurry up! Wiki-wiki! Chop-chop! Schnell!
1934		R.L. Bellem ‘The Shanghai Jester’ in Spicy Adventure Stories July 🌐 Hotel Cosmopole—chop-chop! Fast! Quick! Savvee?
1952		K.C. Lamott Stockade 15: Out of my way. Chop-chop!
1961		(con. 1950s) C. Barbeau Ikon 164: Chow time [...] chop chop. Come along.
1967		(con. 1940s) M. Dibner Admiral (1968) 19: Captain Paige’s drink. Chop chop!
1982		P. Redmond Tucker and Co 28: Come on, I want to lock up [...] Come on. Chop chop.
1998		K. Sampson Awaydays 175: Come ’ead, Ray, get yeah-self a glass, lad. Chop-chop!
2004		N. ‘Razor’ Smith A Few Kind Words and a Loaded Gun 145: Come on, chop chop. Get the floor scrubbed.
2013		K. Sampson Killing Pool 17: Chop-chop, precious, You’ve been summoned!
2023		(con. 1962) J. Ellroy Enchanters 113: ‘Chop, chop. You know the drill’.