noun, noun or participle which takes 'suru', intransitive verb
blunder; goof; screw-up
Colloquial term for a careless mistake or blunder, often with a sense of embarrassment or penalty. Used as a noun or with する.
またチョンボしちゃった。
I screwed up again.
彼
We lost the game because of his blunder.
noun, noun or participle which takes 'suru', intransitive verb
mahjong penalty for rule violation
In mahjong, an unintentional rule violation that incurs a penalty, such as mistakenly revealing a tile or making an invalid declaration.
チョンボをすると満貫の罰符を払わされる。
If you commit a chombo, you have to pay a mangan penalty.
noun, noun or participle which takes 'suru', intransitive verb
false mahjong win declaration
Obsolete original mahjong meaning: mistakenly declaring a win without having all the required tiles. Now largely replaced by the broader penalty sense.
昔のルールでは、誤った和了宣言をチョンボと呼んだ。
In old rules, a mistaken win declaration was called chombo.