[Chalky] Not sure that you are right about that. I think murgle is an acceptable past participle in some dialects -- like 'I have stole' rather than 'I have stolen'. And from what I hear, that Channel Islands dialect can be pretty odd at times.
While attempting to extract a square root(Juxt) V. good. (CdM, Chalky) How much more dung are you going to fling at him? It's not as if he's f***** the game up.