Green’s Dictionary of Slang

Ping n.

[Ping as a ‘typical’ Chinese name]

(N.Z.) a derog. name for an Asian person.

1982
19902000
2003
[NZ]G. Newbold Big Huey 252: ping (n). [...] 2. Oriental person.
[NZ] McGill Reed Dict. of N.Z. Sl.