noun
colloquial expression; colloquialism
A word, phrase, or expression characteristic of informal spoken language rather than formal writing.
「やばい」はよく使われる口語表現だ。
"Yabai" is a commonly used colloquial expression.
この文章には口語表現が多すぎる。
This text has too many colloquial expressions.
Compound of 口語 (こうご, 'spoken language') and 表現 (ひょうげん, 'expression').