A generally metallic device used to pluck eyebrows or nosehairs. Also known as squeezers due to the fact that you squeeze them together, or a pincher.
Jessica was plucking her eyebrows with a pair of tweezers
Verb (Metaphor): When someone has a dick so small that his hands are too big to properly masturbate it. "Tweezers" refers to action of masturbating such a penis with tweezers.
Pat has claimed to have a penis that was 10 inches long but in reality it was 10 millimeters. No wonder he takes tweezers every time he showers.