What is Nanana?
1.
1. Spoiled girl's in college wearing a north face and ugg boots
2. Every time they talk they say nothing of importance and it sounds like 'nanana'
"I saw that nanana in the cafe"
"Man, she sucks"
See
2.
1) Nanana.
2) Name for a mentally retarded person.
3) Can be used in every context.
"Hey, Richard!"
"Nanana, Elizabeth!"