んな

pre-noun adjectival

such; like that; that sort of

Colloquial abbreviation of そんな, used pre-nominally to refer to something the listener said, did, or implied. Often carries a dismissive or surprised tone.

See also: そんな

• んなこと言いわれても困こまるよ。

  Even if you say something like that, I don't know what to do.

• んなわけないだろ。

  There's no way that's true.