Numpty - (pronounced nump - ti)
An individual with
little or no understanding of a subject, who may find it
difficult to learn by experience e.g. "See you? Ye'
re a grade-wan numpty - flyin' colours, nae kiddin'!"
Examples of people who are numpties:
Tony Blair (particularly with regard to his understanding of the UK electorate)
"
Dubya"
Bush (for his services to Play Station sales)