Definition of bitchingly in English:

bitchingly

adverb

US
slang
  • 1As an intensifier: very, extremely; = bitching.

  • 2In a resentful manner; complainingly.

Origin

1920s; earliest use found in Ernest Hemingway (1899–1961), writer. From bitch + -ing + -ly.

Pronunciation

bitchingly

/ˈbɪtʃɪŋli/