expression
it's no laughing matter; I can't laugh about it
Internet slang derived from 笑えない (can't laugh), used when a situation is serious or not funny. Often appears in online comments and social media.
See also: ワロス
あの事故の話はワロエナイ。
That story about the accident is no laughing matter.
友達が大変なことになってて、ワロエナイ状況だ。
My friend is in a tough spot; it's a situation where I can't laugh.