(noun)
plural noun: Casper breaths
When you, someone, or something lets out a shaky breath. Derived from the sounds of my cat named Casper when I put him against my ear. He breaths... in Casper.
Jay Woods was so anxious, I could hear his Casper breaths.
The iconic Canadian rapper duo budgies named Mika and Bonzi
Person 1: Have you listened to MK Bonzi's new track?
Person 2: Yeah! It goes "chirp chirp chirp!"