Please see here for a handy set of definitions. I'd prefer the less harsh version 1 - "Scottish usage: a) Someone who (sometimes unwittingly) by speech or action demonstrates a lack of knowledge or misconception of a particular subject or situation to the amusement of others."You are not a numpty! Whatever a numpty is.
Yep we're quite the pair you and I, BB!P.S. Oh, now I'm the numpty! Just read your post over yonder.