belly up

CIDE DICTIONARY

belly up, v. i. 

 to approach (a counter) and stand in front of it; -- used mostly in the phrase belly up to the bar (i.e. to a counter in a saloon).  [PJC]

belly up, a. [from analogy to the position of a floating dead fish.].

 defunct; bankrupt; -- used mostly of commercial organizations; often used in the phrase go belly-up, i. e. to go bankrupt.  [PJC]