kinky

adjective3

1. •
   Full of kinks; liable to kink or curl.
2. •
   Queer; eccentric; crotchety.
3. •
   (informal) Marked by unconventional sexual preferences or behavior, as fetishism, sadomasochism, and other sexual practices.

   • Their male customers are often identified as lonely, sleazy, and into kinky sex[…] — 1994