Wiktionary
vb. (context transitive English) To plump up
Usage examples of "fluff out".
Georgie only had time to whip off her elastic band, fluff out her hair and clutch her bikini top to her sweating breasts when Lysander crept round the corner.
Madouc went warily to the edge of the forest, pausing only to remove her cap and fluff out her curls.
His eyes went frightened as he realized I was an Inderlander and not a bit of fluff out looking for a wild night of pretend.
If you want one, they can probably produce a slave to pick the fluff out of your navel, complete with a fluff-picker's apron and a pearl handled fluff-picking tool!
He had his people's ability to gulp in air, fluff out his fur, and take to glides as long and as high as those of the sand ships of Twahihic.
Only the fact that she was below his favorite day roost made the creature stir, fluff out its feathers in the icy air, then spread its wings and launch itself abruptly into the swirling wind, angered by the intrusion.
I brushed my black hair vigorously, hoping it might condescend to fluff out.