Fight Club

To paraphrase dear Hannah Horvath from “Girls,” Rachel Sennott may not be the voice of her generation, but she certainly is a voice of a generation. And oh, what a voice. Smart, vulnerable, slightly neurotic, frequently ironic, always compelling. It’s a delicious style of comedy honed on Twitter, Instagram and…

In “Bottoms,” a high-school comedy that is brazenly gonzo, scaldingly and at times even dementedly over-the-top, and actually about something, PJ (Rachel Sennott) and Josie (Ayo Edebiri) have been best friends since the first grade, but in their senior year at Rock Ridge High they’re at the end of their…