しらけ

しらけ【白け】

白け世代 the turned-off [disenchanted] generation 《of the early 1970s》.

白けムード an atmosphere of disenchantment [disinterest]; the atmosphere of a spoiled party.

●披露宴の席上, 新郎の過去の女性関係が暴露されてすっかり白けムードが漂った. When the bridegroom's past love affairs were disclosed at the wedding reception, a wet blanket was thrown over the whole atmosphere [the whole mood turned sour].