pins and needles

noun

1. a tingly, prickly sensation in a limb that is recovering from numbness.

Idioms

2. on pins and needles, in a state of nervous anticipation: The father-to-be was on pins and needles.

noun (functioning as singular) informal

1. a tingling sensation in the fingers, toes, legs, etc, caused by the return of normal blood circulation after its temporary impairment
2. on pins and needles in a state of anxious suspense or nervous anticipation