belly

fire in the belly: seefire.

go belly up fail or go out of business, especially by going bankrupt. informal

☞ The implied comparison is with a dead fish or other animal floating upside down in the water.See also go tits up attit.

2014New Zealand Herald The collapse of US investment bank Bear Stearns six months before Lehman's went belly up … might serve just as well as the GFC-starter.