Green’s Dictionary of Slang

1. (US) the nose.

1913

T.A. Dorgan in Zwilling TAD Lex. (1993) 74: I missed a ball that Fanny threw this morning and got it square on the slanter.

2. (US black) in pl., the eyes. [slant v. (3)].

1944

‘Jiver’s Bible’ in D. Burley Orig. Hbk of Harlem Jive.