Galongwallah - It's the word you use when you're too full of yourself to re

It's the word you use when you're too full of yourself to remember real words. It’s like a rich version of 'word.'

'That was galongwallah,' he said, even though he didn’t know what it meant.

'She said, 'that’s galongwallah,' and then got a big head.'

'I told them it was galongwallah, and they believed me.'