"Kinky things" refers to sexual activities or preferences that are considered unconventional, adventurous, or outside the traditional norms. Full definition
They decide they muust've stumbled upon a new sexual fetish — «normaling» — where people do kinky things like cover their partner's cold feet with an afghan and go to Bed Bath and Beyond and shop for home necessities in public. (screenpicks.com)
On another occasion, I was subjected to a good spanking by a cougar who said she got off on kinky things like that. (datingsitesover40.com)
Into trying kinky things as long as no animals, blood, branding, kids scat or sever pain. (meetacrossdresser.com)