Knee-high to a jackrabbit phrase
Very young.
When I was knee-high to a jackrabbit, my parents used to take me to the movie theater.
I remember when my son was knee-high to a jackrabbit, he was curious about everything around him.
Very small in size, height, or stature.
He wasn't admitted into the army because he was knee-high to a jackrabbit.
Mary is a young girl from a small town, and she told me that she often felt knee-high to a jackrabbit.
Be young or childish and not have had much experience
An abundance of exuberant, young vigor, enthusiasm, or vitality.
This idiom originated in the United States in 1814 as the phrase knee-high to a toad. Many animals have been used in the idiom, such as mosquito, duck, jackrabbit, bumble bee, splinter, and others.