It's a rather inappropriate and vulgar term that typically refers to something related to adult or explicit manga content involving negative connotations.
I don't know for sure. But it could feature a big reveal, a confrontation, or a new subplot. You'll have to read it to find out the specific details and surprises.
In chapter 14, maybe there's a big confrontation or a turning point in the story. Maybe a new character is introduced or a relationship deepens. But it really depends on the author's imagination!
Well, in chapter 17, there could be new challenges for the characters or maybe a big reveal. But without reading it, it's hard to say for sure. Each chapter brings something unexpected.