The term 'Do Some Punching' can be summarized by the crossword solution SPAR, which is a four-letter word. SPAR is an acronym for 'Simulated Practice Attack and Response', which is a type of training exercise used in the military. It involves two or more people engaging in simulated combat, usually with protective gear, to practice their combat skills. This type of training is often used to prepare soldiers for real combat situations.