Here are some examples of how you might use "antsy" in a sentence:
* "The children were getting antsy waiting for the birthday cake to be served."
* "He felt antsy about the upcoming job interview."
* "Sitting through a long lecture made her antsy."
* "The dog was antsy because he knew it was time for his walk."
The word "antsy" has a slightly informal tone and is often used to describe a lighthearted sense of unease.