Gabillionaire - Someone who uses fake numbers so much they think they’re ric

Someone who uses fake numbers so much they think they’re rich, but they’re just full of hot air.

'I’ve got a gabillion dollars, and I still don’t know where my brain is.'

'Gabillionaire? I’m a gabillionaire, and I still can’t find my keys.'

'I’m a gabillionaire, but I still can’t find my pants.'