The tag "brit-slut" refers to a porn video or content that involves a female performer with British nationality who is portrayed as a promiscuous or sexually adventurous person. This term is used to describe the character or role of the woman in the scene, and often suggests that she may be involved in various explicit sexual activities or scenes that cater to a mature audience's interests. The use of "Brit" implies British accent, appearance, or background as part of her appeal or allure.
Note: This term is intended for adult audiences only, and may be considered offensive by some individuals.