Noun/Adjective- An onomatopoeic word describing the sound of a brief gust of wind blowing past your ear and also defining the gust itself, often caused by something which can be described with the primary definition of the word.
When I spread out my comforter, it goes floof.
Means what ever I want it to mean cause I’m a bad bitch
Floof is your own definition
My best friend, because she is the definition of soft and fluffy.
Her: *squealing over tiny fluff birds*
Me: You are a floof