A slang-like term for a person who is in the furry fandom. A person who is a fan of anthropomorphic, or cartoon like animals with human-like characteristics.
Also known as a raspberry, or in some circles, a "zerbert"...a fuzzbutt is the planting of one's lips on a body part of another...and blowing. Creating a "toot" like sound. Often done to babies' stomachs.
After an intense tickle fight, the momma bear fuzzbutted her cubs stomach.
When a man or woman finds enjoyment in sticking bottles of carbonated liquid into their anus, and douching their pooper then pushing out the soda so hard it makes their butt fizzy.