Megyn Kelly torched Jack Schlossberg as an “absolute idiot” and “entitled jerk” while mocking the congressional hopeful’s résumé, social media antics and allegedly chaotic campaign during a blistering rant on her podcast Thursday.

The conservative commentator unloaded on Schlossberg — the only grandson of President John F. Kennedy — after the New York Times published a lengthy profile detailing reported dysfunction inside his Democratic congressional campaign.

“Jack Schlossberg, who is perhaps better known as JFK’s grandson … and he’s an absolute idiot,” Kelly said on Thursday’s episode of SiriusXM’s “The Megyn Kelly Show.”

Megyn Kelly ripped Jack Schlossberg as an “absolute idiot” during a fiery rant on her SiriusXM podcast Thursday. @MegynKelly/YouTube

“He’s 33 years old.…