Gabillionaire - A person who thinks they have a lot of money, but they just

A person who thinks they have a lot of money, but they just made up the word and called it a day.

'I’m a gabillionaire, and I still can’t afford my own insults.'

'Gabillion? I’ve got a gabillion and a half of regrets.'

'Gabillionaire? I’m a gabillionaire, and I still don’t know how to spell it.'