badawi [baa-daa-wee] (Transitive verb/Noun/Adjective): To start something full of promise but end in disappointment, failure and/or disaster.
'I'm trusting you to perform this task well; don't do a badawi, ok?'
'Whatever I do, I will always find a way to badawise it.'
France badawied their Euro 2008 campaign. England pre-badawied theirs, while Italy were guilty of over-badawification.