I'm Bannatyne - A way of telling the world you’re done with whatever mess is

A way of telling the world you’re done with whatever mess is happening and you're not coming back.

'I'm Bannatyne!' he said after the guy wanted to open a pizza shop in a volcano.

'I'm Bannatyne!' she said when the pitch was about a dancing chicken.

'I'm Bannatyne!' he yelled after the guy's idea was to sell socks to ghosts.'