sunburned Irishman, n. — Green’s Dictionary of Slang

sunburned Irishman n.

also smoked Irishman

[immigrant blacks and Irish occupy the same low social position in the UK]

a derog. term for a black person.

1979		Maledicta III:2 164: Irishman, sunburned n Negro.
1983		I.L. Allen Lang. of Ethnic Conflict 47: Color Allusions, Other than ‘Black’ and ‘Negro’: […] smoked-irishman [...] sunburned-irishman.