all ears

(adjective) extremely interested in what someone has to say

Example Sentences:

A: Do you want to know why I broke up with my girlfriend?
B: Yeah, I’m all ears. Tell me

The employees were all ears while the boss was talking about who was going to get fired.

Wife: Are you listening to me?
Husband: Yes, I’m all ears.

Media:

Similar idioms:

1. prick up one’s ears
2. get to the point
3. cut to the chase
4. pick up the check
5. wet behind the ears
6. golden handshake
7. pick up the tab
8. break down
9. open up a can of worms
10. check in with
11. give and take