What is another word for most belly-up?
Pronunciation: [mˈə͡ʊst bˈɛlɪˈʌp] (IPA) 
The phrase "most belly-up" means something that has failed spectacularly or gone completely wrong. Some synonyms for this phrase include "bankrupt," "collapsed," "dead in the water," "down the tubes," "in ruins," and "kaput." Other ways to express this idea include terms like "in shambles," "out of commission," "on the ropes," "thrown off course," and "washed up." No matter how you say it, "most belly-up" refers to a situation that has gone horribly awry and is unlikely to recover anytime soon. It's a reminder to stay alert and proactive in preventing such disasters from happening.
