Thicklips

1846, James Fenimore Cooper, The Redskins; or, Indian and Injin The red man was born here; the pale man was born across the salt lake; the black man came from a country of his own, where the sun is always above his head. What of that? We are brothers. The Thicklips (this was the name by which the strangers designated Jaaf, as we afterward learned) is the friend of Susquesus.

a 'thicklips' with woolly hair

[…] a thicklips, a jigaboo or a jungle bunny, a spook or a spearchucker. My least favourite of these names that people found for black people was the rancid and disgusting “munter”, a Bantu word which the Afrikaners used as an expletive […]

Thicklips—this word is European in origin and gives reference to historical European classification of races in Africa.