look up any word, like trill:
Verb; the suprise act of hitting someone in the jaw.
"jack" is used to describe the act of the stolen punch.
it is usually hysterical, and described as a practical joke pulled on your face. Sometimes, it improves upon the facial features.
Sometimes an act of love, and sometimes an act of selfishness and hate.
" I jack-jawed my kids last night."
"fool, you finna' get jack-jawed if you don't shutup.'
"we gon finnd you, we gon fiiind you. You finna' get jack-jawed. go tell THAT."
by Mike&Chrissy&Chairty December 24, 2010