'Puds' is an acronym for the word 'pardon' first coined by the youth gang 'the Salford jarabang tub thumping fraternity' and evolved from the word pardon - puddin - puds.
The worst at something. Typically they show signs of greatness, but they will blow a lead or just lose outright to someone with less skill. This phenom is unexplainable. They have fun losing.