1 definition by Year 11 boys (2008)

Top Definition
A chant involving large groups of people saying the name Niro over and over again. Started at the Latymer School in 2007 in a year 10 maths class.
"NIRO!, NIRO!, NIRO!, NIRO!"

Verb: To Niro
"Niro walked in and everyone started Niroing"

Noun:
"Anyone up for a bit of Niro in maths today?"

Question:
"Niro?"
by Year 11 boys (2008) January 10, 2009
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