be thrilled to bits

be thrilled to bits

To be ecstatic; to be very pleased and excited. A: "I really hope Mary enjoys her surprise birthday party." B: "I'm sure she'll be thrilled to bits!" I was thrilled to bits to hear that I'd been selected for a literary award in New York City.
See also: bit, thrill
Farlex Dictionary of Idioms.
See also:
  • thrill
  • be thrilled to death
  • be thrilled to pieces
  • be well turned out
  • be quick on the uptake
  • be up your street
  • (just/right) up (one's) street
  • be (just/right) up (one's) street
  • build up (one's) hopes
  • build up/raise somebody's hopes