Thicc-booty is a term used in the adult content industry to describe a woman with an ample and voluptuous backside. It combines the words "thick" and "booty," both of which are slang terms for referring to a curvy, well-endowed posterior. This tag is typically associated with videos featuring women who possess this physical attribute, which many viewers find attractive and desirable. The term is often used playfully or in a complimentary way to emphasize the attractiveness of a woman's rear end.