noun

Slang.
  1. replying to an email or online discussion after a long delay, slow response.

Variations

Pronunciation Kanji Kana Is Common
 
 
亀レス かめレス

Contained Kanji Breakdown

tortoise, turtle
かめ キ キュウ (11th, N1)
knife, wrapping enclosure(勹) variant
day, sun, Japan
ひ にっ ニチ (1st, N5)
lightning, electricity
hidden, mysterious, secret
イン オン かく.す