Booktok is a niche of TikTok where readers, mainly girls in their teens and 20s, post content relating to books on. Many of the posts include reviews, discussions about characters and authors, and generally just having a good time talking about books. It is popularized enough that there are tables in some Barnes and Noble's with books that are popular on booktok. It's a great place to check out if you are looking for a new hobby, new YA or NA books to read, or to talk to other readers about your favorite books.
"Hey, did you hear about the scandal on booktok about that girl Avery?"
"I found this cool book They Both Die at the End because some of my favorite booktokers recommended it!"
"Are you on booktok? It's such a cool community, you should totally check it out!"
Bukaki is a new porn genre where the actress allows several men to ejaculate on her. The term Bukaki originates from an anchient Oriental punishishment; Female townsfolk found guilty (or at least accused) of adultery would be burried to the neck in sand then each man (of capable age) from the town would ejaculate over her face. Most women subjected to the punishment would find the humilation so great they would comit suicide.