格下げ

Meanings

1. Noun, Suru verb, Transitive

   demotion; downgrading

• もう、そんな顔かおをするなら、またただの友達ともだちに格下かくさげするわよ。

  Oh, you! If you go around with a face like that, I'll have to demote you back down to 'friend' again.