n'timbah - Short for when you're so dumb I could write a book about how

Short for when you're so dumb I could write a book about how dumb you are and I still know what I'm talking about.

You think the sky is green? N'timbah.

You tried to fix the printer by throwing it out the window. N'timbah.

You said your dog was a vampire. N'timbah.