like a dog with two tails
Used to emphasize how delighted someone is: ‘Is he pleased?’ ‘Like a dog with two tails.’...- My brother was like a dog with two tails when his girlfriend agreed to marry him; he was really happy.
- My husband is like a dog with two tails about this holiday having never been on a cruise before!
- I felt like a dog with two tails, because I was proud to have been in Montgomery's Eighth Army.
See parent entry: dog