I thought it was more of a squawking kind of donkey noise? At least that's what I get from March of the Penguins.
Tuor: Stuff is our resident, hot mess, alcoholic.
Senel: Stuff is the patron saint of getting shitfaced. You replaced your organs with an engine that runs solely on alcohol.
Tuor: You foolish fools, no one can tame the stuffaluffagus!