According to a 2020 survey, these are the most practiced kinks during the COVID-19 pandemic:
Virtual sex
Dom/Sub
Orgasm control
Bondage
Anal play
Age Play
Foot fetish
Role play
Voyeurism
Sadism/masochism
Kink refers to any "non-conventional" sexual fantasy, desire, or practice such as bondage, discipline (or domination), sadism (or submission) (BDSM). The word kink implies a "bend" in a person's sexual preference compared to traditional sexual behavior.
A kink lifestyle or sexuality is different from a typical vanilla relationship. In short, a kink is a bend from a straight line.
A kink lifestyle includes any sexual preference that lies outside of the "normal" definition. There are different kinks, which primarily involve sexual partners trying new sexy things such as voyeurism, fetishism, masochism, and other erotic fetishes.
Research published by Quebec psychologist Christian Joyal in 2016 found out that almost 50% of people reported interest in at least one or more erotic preferences, which could be described as "kinky",