Nah'mean
A slang shortcut used by people who can't even form a full sentence. It's like they're trying to impress you with how little they actually know.
Nah'mean? I just failed my math test and I still don't know what 2 + 2 is.
Nah'mean? I just spilled my coffee on my boss and now I'm in trouble.
Nah'mean? I said I was going to the park, not the nuclear plant.