chopstick, n.¹ — Green’s Dictionary of Slang

chopstick n.¹

[the use of chopsticks in eating Asian food]

(usu. US black) a derog. term for an East Asian person, esp. Chinese.

[1880		G.F. Northall ‘Momus’ Misc. 76: You’d ne’er a finer pigtail see / Than that of Chopstick Chickoree [...] Whenever Chopstick walked along / The folks would follow in a throng].
1913		implied below.
1980		E. Folb Runnin’ Down Some Lines 232: chopstick Asian person.

Chopstick-land (n.)

China.

1913

Day Book (Chicago) 1 Aug. 31/1: It is the utter opposite of Chinese drama. In the chopstick-land a play lasts for three whole days.