adverb, adverb taking the 'to' particle
noisily eating; chewing with mouth open; smacking
Describes the sound or manner of eating noisily, often with the mouth open. Typically used with と.
彼はくちゃくちゃと音を立てて食べる。
He eats noisily, smacking his lips.
Describes something like paper or cloth that is wrinkled or crushed. Used as a na-adjective.
ポケットの中で紙がくちゃくちゃになった。
The paper got crumpled in my pocket.
na-adjective
Describes a messy or untidy state, often for hair, clothes, or a room. Used as a na-adjective.
髪がくちゃくちゃで、寝起きみたいだ。
My hair is messy, like I just woke up.