There is an Indian grandmother called 'Gooptee'. Canned laughter and whistling/clapping happens when she enters on the screen
She's all pointy and smiley and everyone can only say the word "Gooptee!" followed by more canned laughter until she leaves 3 minutes later.
( Donkey Gums twitter.com/jetjacuzzi, Thu 8 Jan 2009, 11:33, archived)