秒回

miǎohuí
(neologism) (slang) to respond to a message within seconds

CEDICT

neologism slang

Entry Composition

1 秒 miǎo
  1. second (unit of time)
  2. arc second (angular measurement unit)
  3. (coll.) instantly
=2 回 huí
  1. to circle
  2. to go back
  3. to turn around
  4. to answer
  5. to return
  6. to revolve
  7. Hui ethnic group (Chinese Muslims)
  8. time
  9. classifier for acts of a play
  10. section or chapter (of a classic book)
=2 回 huí
  1. to curve
  2. to return
  3. to revolve
=2 回 huí variant of 迴 huí