A ning-nong, frequently abbreviated to nong, is someone who has done something stupid or clumsy and has caused a nuisance
to others. Although it is can be an insult, it is often used affectionately, especially by Australians.
“Ah Charlie, you’re such a ning-nong!” (in reply to a deliberately weak joke.)
Why did you go and invite that ning-nong to our barbecue? He’s embarrassing all our guests!
“Stop being such a ning-nong, will you? You’re upsetting your sister!
1: a wanker, dick, gimp etc
2: someone who says, or does something retarded
3: a person who says ning nong
after accepting a bet (of $5) to smoke a pubic hair bong
“OMG WTF that guy is such a fucking ning nong”
someone who has stuffed up
geesh your such a ning-nong bruce for sticking you head in the fire
Person of asian origin.
Your a Ning Nong hole
Louna is a ning nong.
Stuart is a ning nong