something you call someone who is agruing about a point you allready know the factual answer to.
"like the president of the UK"
"It's prime-minister you nerner"
by Herwoyn Beck December 26, 2005
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it's something that you say when you don't like a person or thing.

NO.
Would you like to get kinky with me?

Ewww, that's such a big nerner for me!
by cHeeky MiMz June 17, 2009
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A super senior in high school that got a girl pregnant, he knows nothing about anything and just talks about random weird stuff. He usually wears red a lot and calls himself a boss.
He must be a NerNer since he didn't past high school and wears red.
by NerNersbitch6969 March 19, 2013
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