座ざが白しらける

expression, ichidan verb

the mood falls flat; the atmosphere becomes awkward

Describes a situation where a gathering, party, or meeting suddenly loses its lively mood, often due to an inappropriate remark or action.

• 彼かれのつまらない冗じょう談だんで座ざが白しらけた。

  His lame joke killed the mood.

• 会かい議ぎ中ちゅうに誰だれも発はつ言げんしなくなり、座ざが白しらけてしまった。

  During the meeting, nobody spoke up, and the atmosphere became awkward.