Aussie slang for Nitrous Oxide, typified by the ringing in the ears commonly experienced after a good solid huff or two.
“Things were kind of dragging until he busted out the nang-nang. Then it was on! We didn’t leave that couch for two days.”
Nang-nang: define #2
A moron or person who is prone to doing foolish things.
Gore, you are such a nangnang.
Nang-nang: define #3
Food; An edible pick-me-up usually desired after a long night of drinking and smoking up.
Is usually preceded by the word “some. “
Dude, let’s go get some nang-nang.
Who wants to ride with me to get some nang-nang?