Green’s Dictionary of Slang

kinked adj.

[SE kink, an eccentric]

1. (Aus.) eccentric.

[Aus]D. Niland Shiralee 167: The old bloke was all right — definitely kinked, but harmless.

2. subject to sexual eccentricities.

[US]C. Reithauser Mysteries of the Great City 17: The women he meets are more kinked than telephone cords.