A slang term which means hello or hi made famous in the t.v.series Mork & Mindy back in the late 1970's early 1980's
"I am Mork from Ork, Nanu Nanu."
by BruinKiller3469 March 23, 2009
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The name of the head tribe in the land of Nu. They roam the Grasslands in the center of the land and lead all the other tribes and run the high council. They are known for there ferocious warriors who fight with pride and honor. They use war chants to scare their enemies away before they have even started fighting. These chants are known as 'the screams of the ancestors". The Nanu's leader- The King of Nanu was the creator of the charter in 507BCE. The Nanu's allies include the Ralulu's the sea tribe, the Ululu's the mountian tribe, the Shabado's the rainforest tribe and the Naru tribe from the desert. Their enemies include bandits and the fakers who call themselves "the new Nanu King". The language of the Nanu's is known around the globe for being the hardest toungue to learn. It involves breathing in while using the deepest parts of the vocal cords.
e.g. "That guy could be in the Nanu so don't mess with him."

"I heard the Nanu's penises are 15inches long"
by a lover of nanu May 13, 2013
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The Nanus, the strange large area of skin between your neck and your anus.
“Hey bro, it’s hot out, you mind putting sunscreen on my nanus, I can’t reach.”
by reaLausac May 10, 2020
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index and middle finger in the shitter, and the "ring" finger and little finger in the mossy cottage....using the nanu nanu sighn from mork and mindy.
by BURKY August 18, 2003
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means "baby"
if yelled out in public by oneself, the other will most likely run in shame
also means "best of friends that are THE SHIT"
by imjustpeachy January 22, 2011
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The alien life energy source that was ill suited to cope with the vicissitudes of human depression. Credited to the late Robin Williams reprised in his role as Mork from the oft times hilarious TV Sitcom "Mork and Mindy", 1978-1972
"I just cannot wrap my head around this, it's as if his Nanu Nanu went from white hot to a flicker...go figure. Ya gotta admit, the guy had an amazing run".
by RAEGUN SPARKS August 14, 2014
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