“Eldest son, as excitedly as I’ve ever heard him: ‘Hey! Hey! Did you know my dad invented the car fart???’,” Zilis tweeted.
Social media user reacted to the post in a fun way, where they have talked about the feature and the child's epic question.
The mom, who shared a video of her son's flatulence-inspired costume on her social media, tells PEOPLE that when her son told her he wanted to be a fart for Halloween, she was up for the challenge.