What is the meaning of the expression needles and pins?

Needles and pins is a British song from the sixties. The original North American

English expression is to be on pins and needles or to have pins and needles.

An uncomfortable feeling in a part of your body, caused when a normal flow of

blood returns after it has been partly blocked... In the song they meant to say

the boy got sick when he saw the face of his girlfriend on a specific day.