A term derived from the word pwned.
This term can be used when you've pwned someone with a pun, hence PUNing the person.
-What are you doing for christmas?"
-I'm actually helping a friend of mine moving"
-Oh, happy haul-idays!"
When you buy a box of Tampons soak them in water and drive around throwing them at random cars windshields and they stick.
We just PUNED the hell out of that car