1.
If someone is ~, they are extremely pleased about something.
I was so ~ to get a good report from him...
Sue and John were especially ~ with this award...
= delighted
ADJ: v-link ADJ, oft ADJ to-inf, ADJ prep, ADJ that
•
If you say that someone is ~ to bits, you are emphasizing the fact that they are extremely pleased about something. You can also say ~ to pieces, especially in American English.
I’m ~ to bits to have won the cash...
PHRASE: v-link PHR, oft PHR to-inf, PHR at/with n/-ing emphasis
2.
see also thrill