ˌpins and ˈneedles noun [uncountable]1. an uncomfortable feeling, often in your foot or your leg, which you get especially when you have not moved part of your body for a long time, and the supply of blood has stopped flowing properly:
I’ll have to move because I’m starting to get pins and needles in my foot.2. be on pins and needles American English to be very nervous and unable to relax, especially because you are waiting for something important
Synonym : be on tenterhooks [TahlilGaran] Dictionary of Contemporary English ▲