くちゃくちゃ
くちゃくちゃ
adverb, onomatopoeia
noisily (chewing); crumpled, messy
1.
noisily (chewing), with mouth open
The sound or manner of chewing food loudly with the mouth open.
くちゃくちゃ食べないで。
Don't chew with your mouth open.
ガムをくちゃくちゃ噛んでいる。
He's chewing gum noisily.
隣の人がくちゃくちゃ音を立てて食べるので気になる。
It bothers me that the person next to me eats making chewing noises.
2.
crumpled, wrinkled, messy
The state of something being crumpled, wrinkled, or in disarray.
紙がくちゃくちゃだ。
The paper is all crumpled up.
ポケットの中でレシートがくちゃくちゃになった。
The receipt got all crumpled up in my pocket.
くちゃくちゃに丸めた紙をゴミ箱に投げた。
I crumpled up the paper into a ball and threw it in the trash.
USAGE:
Sense 1 describes a sound considered rude in Japanese dining etiquette. Chewing with the mouth open (くちゃくちゃ食べる) is a common pet peeve. A person who chews noisily may be called a くちゃらー (slang).
For sense 2, commonly used with になる (to become crumpled) or にする (to crumple up).
RELATED WORDS:
くしゃくしゃ is a near-synonym for sense 2 (crumpled), and also describes messy hair.