nutter in a sentence

Definition

NUTTER (noun): A person who is eccentric or behaves in a bizarre or irrational manner.

My neighbor is a bit of a nutter, always talking to his plants.
The comedian's wild antics had the audience in stitches, but some thought he was just a nutter.
After hearing his conspiracy theories, I couldn't help but think he was a complete nutter.
Despite being labeled a nutter by some, she passionately pursued her unconventional ideas.
They called him a nutter for running a marathon dressed as a chicken, but he didn't care about their opinions.