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1 definition by RooTang

to aggressively display physical affection towards someone in hopes to hurt them (in a good way) or pop their head off!

physical affection can include nibbling biting, pinching, or squeezing of any body part.
Joaquin: "god dammit, Anna! You're so freaking sexy! Get over here and let me nung you!"

--after the nungging has happened--

Anna: "Joaquin, you can't nung me so hard. It hurts!"
Joaquin: "sorry, i can't help it. I love you so much i wanna hurt you!"
by RooTang April 03, 2011