to bits

prepositional phrase2

1. •
   Into small pieces; indicating total destruction.

   • 2015 December 30, RT, "Belgium’s nuclear power plants ‘falling to bits’ – German officials" — 2015
2. •
   (UK, informal) very much (typically describing positive emotions)

   • 2016 January 6, Neil Cameron, Evening Times 'Donald Findlay would be "thrilled to bits" if Cowdenbeath beat Rangers' — 2016