Nuance Dictionary / Personality Traits
까칠하다 kka-chil-ha-da
Prickly, cranky, and abrasive in speech or attitude
Literally means 'rough to the touch' (like sandpaper or a stubbly beard). A '까칠한' person gets annoyed easily, speaks sharply, and is generally hard to approach. It is the signature personality of a K-Drama male lead.