have an itch

(verb) to have a strong desire to do something

Example Sentences:

A: Are you going to go anywhere for the summer vacation?
B: I’ve always had an itch to go to the south of France, so I think I’m going to vacation there.
A: Nice!

Robert has an itch to go skydiving, so he’s going to jump out of an airplane!

From the Blogs:

Do you have an itch? Scratch it!

Media:

Similar idioms:

1. start something from scratch
2. jump ship
3. jump on the bandwagon
4. chicken scratch
5. up to scratch