Kinky (adjective)

Having or relating to unconventional sexual preferences or behavior.

Origin:

The word kinky is thought to be an alteration of the word "quaint" or "queer" which were used in the past to describe something unusual or unconventional. the word has been in use since the 1960s and gained more popularity in the 1970s.

Examples:

1. She was into some kinky stuff that he couldn't handle.
2. The kinky club was a place where people could explore their unconventional desires.
3. The kinky fetish party attracted a lot of attention.
4. She was kinky and he was vanilla, so they had to find a compromise.
5. He had a kinky secret that he didn't want anyone to know about.