Susie Wang, n. — Green’s Dictionary of Slang

Susie Wang n.

also Susie Wong, Suzie Wong

[the musical/film The World of Suzie Wong (1960) + pun on wang n.²]

(camp gay) an East Asian homosexual.

1972		B. Rodgers Queens’ Vernacular 171: Chinese gays are called [...] Suzie Wongs.
1980		Maledicta IV:2 (Winter) 235: Rodgers has [...] yellow fever = penchant for orientals (ornamentals, Susie Wongs or Susie Wangs where wang = penis) and rice queen.