Cheeping means the high-pitched sound that baby birds make.
Cheeping sounds cute and can make people think of baby animals.
Examples:
The baby birds are cheeping for their mother.
I heard the little birds cheeping in the nest.
The cheeping of the chicks is very loud.
The baby birds are cheeping for their breakfast.
The cheeping of the baby birds is like music to my ears.
Stop cheeping, little birds, I will feed you soon!