1947 R. Ellison Invisible Man 143: I had to wait and plan and lick around . . . Yes, I had to act the nigger!at act the nigger (v.) under nigger, n.1
1952 R. Ellison Invisible Man 486: That crazy sonofabitch [...] look[s] like death eating a sandwich.at look like death eating a sandwich (v.) under look like..., v.
1952 R. Ellison Invisible Man 420: What brand you drinking tonight, Poppa-Stopper?at poppa-stoppa (n.) under poppa, n.