
sorry, not much advice, but just to let you know you are not alone!!! My 7&half month old Mastiff, who I thought had finally grown out of this, bit my husband on the bum last night (in play, not aggresive) Some do take much longer to outgrow this than others :(
The best thing to do is try to stay calm & not shout, try & wind them down and offer them a suitable alternative (such as dog toy).
Hopefully somebody will have some better advice.