ふわふわ

Imitative. Compare English fluffy, Hungarian puha (“soft, fluffy”).

• (Tokyo) ふわふわ [fúꜜwàfùwà] (Atamadaka – [1])^[1]
• IPA^(key): [ɸɯ̟β̞a̠ɸɯ̟β̞a̠]

ふわふわ or フワフワ • (fuwafuwa) 

1. softly (in the sense of gently and smoothly)
2. fluffy, airy, light (like a pillow or foam)

ふわふわする or フワフワする • (fuwafuwa suru) suru (stem ふわふわし (fuwafuwa shi), past ふわふわした (fuwafuwa shita))

1. be soft (in the sense of gently and smoothly)
2. be fluffy, airy, light (like a pillow or foam)

This is usually used in the past tense, ふわふわした (fuwafuwa shita).