fluff ‧ y /ˈflʌfi/ BrE AmE adjective
1 . very light and soft to touch:
a fluffy little kitten
fluffy towels
2 . food that is fluffy is made soft and light by mixing it quickly so that a lot of air is mixed into it:
Cream the butter and sugar until the mixture is light and fluffy.
3 . fluffy clouds look light and soft
4 . not serious or important:
Her new book is a fluffy romantic fantasy.