1
general::
Deliver a blow with the fist, as in He was furious enough to throw a punch at the other driver. This term originated in boxing but has been extended to less formal fisticuffs as well. [First half of 1900s]
American Heritage Idioms
2
general::
Phrase(s): throw a punch
to jab; to punch. • She tried to throw a punch at me, but I blocked it. • Wilbur threw a punch at the thug.
McGrawhill's American Idioms And Phrasal Verbs