Definition of crashingly in English:

crashingly

adverb

informal

See crashing

‘There is also the fact that cockney gangsters of the sort found here had their cinematic stock crashingly devalued by all those geezer movies a few years ago.’
  • ‘He's also crashingly, loudly, agonizingly wrong to order the police to confiscate legally owned private property.’
  • ‘We'd all go home feeling crashingly underwhelmed.’
  • ‘I have a bit of a temperature tonight and I'm crashingly tired.’
  • ‘Never, in a long life have I read so many statements of the crashingly obvious.’