Bottoms

Holograms, hovering cars, ubiquitous robots, video calls — they’re all an integral part of “Hello Tomorrow!” — but with a slight twist.

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…

Before the LGBTQ teen sex comedy “Bottoms” premiered at the SXSW Film Festival on Saturday, festival director Claudette Godfrey told the audience in the Paramount Theater to prepare themselves for an experience that defied description, and that’s largely what they got. The movie stars Rachel Sennott (“Bodies, Bodies, Bodies,” “Shiva…