Simple past tense and past participle of fluff.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "fluffed" in a sentence
"I was unable to make it fluffy even with the Kitchenaid and ended up adding sour cream to the mix to lighten it up -- otherwise it was very very thick and never "fluffed"."
""The feathers are kind of fluffed up and typically by the next day they will be dead," he said."
"When we'd met with the big boss, Rupert, he and his yes men had fluffed our egos and plumped our virtual pillows."