Green’s Dictionary of Slang

(orig. US black) right, correct, esp. in emphatic phr. damn skippy.

1972		O. Hawkins Ghetto Sketches 22: ‘Did you see that?’ ‘You damned skippy I saw it!’.
1983		R. Price Breaks 220: ‘You were great, Pie.’ [...] ‘Fuckin’ A skippy, I was.’.
1994		Star Press (Muncie, IN) 15 May 23/4: Am I calling the man a racist? Not at all [...] Damn skippy.
2000		T. Fontana ‘Gray Matter’ Oz ser. 4 ep. 5 [TV script] ‘Call you Poet, huh.’ ‘Damn skippy, they call me Poet’.
2002		‘Touré’ Portable Promised Land (ms.) 158: We Words (My Favorite Things) [...] You’re damn skippy. You’ll get nathan. You ripped it. You be illin.
2013		Baltimore Sun (MD) 11 Sept. E5/2: ‘Wow, City Paper, you are damn skippy’.