哦豁

òhuō
(dialect) oops!; oh no!; oh snap!

CEDICT

dialect

Entry Composition

=1 哦 ò oh (interjection indicating that one has just learned sth)
=1 哦 o
  1. sentence-final particle that conveys informality, warmth, friendliness or intimacy
  2. may also indicate that one is stating a fact that the other person is not aware of
2 豁 huō
  1. opening
  2. stake all
  3. sacrifice
  4. crack
  5. slit