Meaning: If you go overboard, you do something too much or you do it with excessive enthusiasm.
- Whenever my son gets a new hobby, he goes completely overboard. He's just discovered jazz, so now he wants to buy a saxophone, get lessons, buy hundreds of jazz books and recordings, and he even wants to go to New Orleans.
- Harry gave his son a sportscar for his graduation present. Do you think he went a bit overboard?
We can have a nice holiday in Spain whenever we like. We don't have to go overboard and