The given tag, "bothersbf," is a combination of two words: "bothers" and "bsf."
1. Bother - Refers to sexual activities that are considered bothersome or annoying, often used in the context where someone does not want to engage in them or when a character is annoyed by such acts during a scene. It can also indicate a rough or unpleasant sexual activity.
2. BSF - "Big Sensitive Fucking" or "Bizarre Sexual Fantasy"
In this case, the tag suggests that the porn video involves a bothersome (rough or unpleasant) big sensitive fucking or bizarre sexual fantasy. This could include scenes with aggressive acts, non-conventional positions, or even edge play (e.g., erotic humiliation). It is important to note that these tags are used by adult audience familiar with the porn genre and its terminologies.