親おやトモ

noun

text-only friend; friend kept only through texting

Dated slang from the early mobile phone era, blending 親指 (thumb) and 友達 (friend). Refers to a friend one only contacts via text messaging, not in person or by voice.

• 彼かれは親おやトモだけで、実じっ際さいに会あったことはない。

  He's just a text-only friend; I've never actually met him.