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8.
Someone who snorts a lot of drugs, like the hoover in the Teletubbies, Noo-Noo who went about snorting everything.
That boy is a real nunu head, hes always snorting.
by WarlockHeadlock March 01, 2012
 
9.
Mariuana, weed, pot.
I just picked up some nu nu, and it stunk up my whole house.
by SiahJ December 11, 2009
 
10.
the best of something
My sex is the nu-nu..
by shawdy from atl July 28, 2003
 
11.
Is an expression used that means to just forget about it and move on in life.
My girlfriend got enganged to another dude so you say "Nu Nu" and move on to girl Number two.
by steve December 30, 2003
 
12.
A female body part -that is full of milk- in which a baby breastfeeds upon. Pronounced "new new".
"She is feeding the baby with her nu-nus."

by Zotik October 08, 2008
 
13.
A female body part -that is full of milk- in which a baby breastfeeds upon. Pronounced as "new new".
"She is feeding the baby with her nu-nus."

by Zotik October 08, 2008
 
14.
cute or adorable.. noun or adjective
hhooo my god, you are such a nunu!! OR arrr that bunny is sooo nunu
by plaasmeisie October 21, 2008