Chainsaw Man is a manga series that follows Denji, a young man who becomes a chainsaw-wielding devil hunter after fusing with his pet chainsaw dog, Pochita.

MAPPA is Going to Announce something about "Chainsaw Man" on December 17th, 2023. 

Is that "Chainsaw Man Season 2" Announcement on Dec 17?

Probably, Yes

Chainsaw Man Season 2

The anime is produced by MAPPA, the same studio behind Jujutsu Kaisen and Attack on Titan. The anime will feature the voice talents of Natsuki Hanae, Ayane Sakura, and Hiroshi Kamiya.

The Anime is known for its dark humor, gore, and action-packed scenes, as well as its unconventional plot and characters.