get the bit between your teeth
idiomPart ofbit
get the bit between your teeth — idiom
1. To become very determined and enthusiastic about a task, making it hard to stop
1.idiom
Definition
To become very determined and enthusiastic about a task, making it hard to stop until it is finished.
Example
Once she gets the bit between her teeth, she works nonstop.
He got the bit between his teeth and finished the project in one night.