Green’s Dictionary of Slang

(US black) the buttocks, the posterior.

1929		(con. WWI) J.B. Wharton Squad 218: You guys c’n go back an’ take a good, long rest—in a pig’s pink hind-end.
1943		W. Guthrie Bound for Glory (1969) 207: You ought to have your little hind end blistered!
1967–70		in DARE.
1986		L. Pederson LAGS Concordance [DARE].
1984		A. Sample (con. Louisiana 1909) Racehoss 10: ‘An y’all bet not be sassin out nonea these grown folks roun heah neither. Ef you do, I’ll burn ya’ll’s hind-ends up’.