Anything or anybody who is so xxxxing stupid as to pxxx off. A word that can be substitued for less politically correctwords often found offensive by the fairer sex
THE WORD NUMPTY INFACT STARTED IN YORKSHIRE NOT SCOTLAND !!!!! its meanings are ;-
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.
b) A good humoured admonition, a term of endearment