adverb, adverb taking the 'to' particle
Onomatopoeic/mimetic word, usually describing soft, fuzzy hair or fur. Often used in casual or internet contexts.
子猫の毛がパヤパヤで気持ちいい。
The kitten's fur is fluffy and feels nice.
彼の髪はいつもパヤパヤしている。
His hair is always fuzzy.