Green’s Dictionary of Slang

(US black) a style of walking, characterized by a slight dip in the stride, adopted by young urban black men.

1972		B.G. Cooke ‘Nonverbal Communication Among Afro-Americans’ in Kochman Rappin’ and Stylin’ Out 52-4: Perhaps the walks most noticeable to people outside the ethnic group are those commonly termed ‘catting’ walks [. . . .] [T]he function of the walk [is] to attract attention and admiration, especially from females.
1994		G. Smitherman Black Talk.