Green’s Dictionary of Slang

hip-and-drop v.

also hop-and-drop

(W.I.) to limp, either because of a temporary injury or a permanent deformity.

[WI]Allsopp Dict. Carib. Eng. Usage 292/2: hip-and-drop [...] hop-and-drop [...] To walk with your body leaning to one side as if or because you are deformed.