belly-up

from WordNet (r) 3.0 (2006)

belly-up
    adj 1: financially ruined; "a bankrupt company"; "the company
           went belly-up" [syn: {bankrupt}, {belly-up(p)}]

from The Collaborative International Dictionary of English v.0.48

belly up \bel"ly up`\, belly-up \bel"ly-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]