Top Definition
Doing a retarded dance to a song you enjoy. Named after that weird 'numa' guy on YouTube.
Ohmygod, I totally went numa over Green Day's song yesterday!

I caught Paul going numa in his room so i filmed it and posted it on YouTube.

My mum went numa to the lift music! so embarassing
by ToeFurkey! June 24, 2009
5 Words related to Going Numa

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