To cause someone to feel a great deal of excitement, joy, or pleasure. Often used in passive constructions. I have to say, seeing the Eiffel Tower in person thrilled me to bits. A: "I really hope Mary enjoys her surprise birthday party." B: "I'm sure she'll be thrilled to bits!"

Ecstatic; very pleased and excited. A: "I really hope Mary enjoyed her surprise birthday party." B: "I'm sure she did; she seemed thrilled to bits!" I was thrilled to bits to hear that I'd been selected for a literary award in New York City.