From Longman Dictionary of Contemporary Englishbe itching to do something/be itching for somethingbe itching to do something/be itching for somethinginformalWANT to want to do something very much and as soon as possible He was itching for a fight. → itch
Examples from the Corpus
be itching to do something/be itching for something• Chris is itching to get back to work.• Some system developers and their software programmers assume that consumers are itching to be converted from passive to interactive television watchers.• They were itching to shoot somebody.• Despite her success, however, it just wasn't much fun anymore. Liz was itching to try something different.• She's just itching to tell you about her new boyfriend.• Clearly the President's enemies are itching to believe unsubstantiated stories that could hurt him.• I was itching to get on to San Francisco.• If they already have some practical knowledge they will be itching to get on to the floor!• Liz was itching to try something different.• Shildon said he would probably change his mind in a day or two and be itching to talk.• Some people were having holiday romances: they radiated an air of barefaced sin and were itching to talk about it. 