Punch1  —v. 1 strike, esp. With a closed fist. 2 a pierce a hole in (metal, paper, etc.) As or with a punch. B pierce (a hole) thus. —n. 1 blow with a fist. 2 ability to deliver this. 3 colloq. Vigour, momentum; effective force. 4 tool, machine, or device for punching holes or impressing a design in leather, metal, etc.  puncher n. [var. Of pounce emboss]