What is a prat?

Answer 1

It's a British term. It refers to your backside. If you call someone a prat, you are calling them an ass or an idiot.

While most of this answer is correct, a person would not use the term 'prat' to refer to their backside, it's a derogatory term used mainly to talk about a person and or their behavior e.g 'He was acting like a total prat'. Calling someone a prat, you are essentially calling them, rude, an idiot and saying that their behavior is unacceptable.

Answer 2

it has many definitions and could be considered as a slang word for someone who is really stupid, a major idiot. In another interpretation it can mean your backside, your rump, buttocks and tail end

Answer 3

It is a term of abuse for an incompetent person, it is slang and of unknown origin

Answer 4

The meaning of prat according to the Urban Dictionary is someone who is a total idiot. It relates to a person who acts against logic and is irrevocably stupid.