1. 笨蛋；傻瓜
If you describe someone as a prat, you are saying in an unkind way that you think that they are very stupid or foolish.

1. the fleshy part of the human body that you sit on

e.g. he deserves a good kick in the butt
are you going to sit on your fanny and do nothing?

Synonym: buttocksnatesarsebuttbacksidebumbunscanfundamenthindquartershind endkeisterposteriorrearrear endrumpsternseattailtail endtooshietushbottombehindderrierefannyass