1. very soon; right away; with no delay; extremely fast

1. When the fire alarm sounded, the teacher told us to leave the classroom in two shakes of a lamb’s tail.

2. I'll be ready to go in two shakes.

3. Jane returned in two shakes of a lamb’s tail.

4. I'll be with you in two shakes.

5. Mike was able to solve the problem in two shakes of a lamb’s tail.