一笑に付す (いっしょうにふす) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-su)
laugh off; dismiss with a laugh; pooh-pooh
Used when someone treats a remark, criticism, or problem as not worth serious consideration and dismisses it with laughter or a light attitude.
笑
に
付
す
べき
だ
。
You should dismiss that rumor with a laugh.