Nat, those pipes are the dog's bullocks, man!

What I mean to say in proper 'Murican English is; "Golly, Nathan, I truly love the look of your new exhaust apparatus -
Yes they really are the MUTTS NUTS .I love em , and definitely won't hear the little lady shouting at me any more !
As for your queens English ? Gertya squire , what ye ell be bout of ? At diz poynt een taam , oi wuld formerly sippy tae , but seenz ais aylments sonely corfey see , directly !
they are the bull's balls."