BBL is an acronym that can have different meanings depending on the context. Here are some possible meanings of BBL:

• Brazilian Butt Lift: BBL is most commonly used to refer to the Brazilian Butt Lift, which is a specialized fat transfer procedure that augments the size and shape of the buttocks without implants. During the procedure, a plastic surgeon removes fat from other areas of the body, such as the belly, hips, lower back, or thighs, and injects it into the buttocks to increase their volume and projection.

• Be Back Later: BBL can also mean "be back later," which is used when someone is leaving a conversation, forum, gaming session, or other types of gatherings but will be returning soon.

• TikTok: On TikTok, BBL usually refers to the Brazilian Butt Lift procedure. Many people choose to document their BBL journeys on social media platforms like TikTok, showing before and afters, as well as videos about their recovery. The hashtag for BBL has billions of views on TikTok, proving just how much interest there is in both the documentation of the surgery process, as well as memes related to the procedure.

In summary, BBL can refer to the Brazilian Butt Lift procedure, "be back later," or be used on TikTok to document BBL journeys or as a meme.