I'd assume he is speaking Welsh rather than mumbling his words. Is he so protective over his native language as it seems improbable he can't speak English.
I'd like to bury the funeral woman and that Geordie idiot underground in a coffin, lets see if they can get it on there. Don't you hate people who think their sex lives are going to interest everyone.
Geordie?? You don't mean the lovely, and very Welsh, Owen Teale do you?