belly up

Short definition from Wiktionary

Adjective

1. 1
   Dead or defunct.
2. 2
   Alternative spelling of belly up.

Verb

1. 1
   To gather close, or approach eagerly or assertively, as a bar for ordering alcoholic drinks.
2. 2
   To die; to fail or go out of business.
3. 3
   To lay on the back with its belly up.