Idiot, stupid, ditzy, someone who just doesn't get it. Australia derivation, especially used in Queensland where there are many nupee nupes.
"You are a nupee nupe"
"Jill, did you hear about Jack? He is such a nupee nupe. He thinks pizza is it own food group!"
"Jill, did you hear about Jack? He is such a nupee nupe. He thinks pizza is it own food group!"
by Nupee Nupe from Seattle March 11, 2009