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Phrase(s): turn back the clock [and] turn the clock back turn belly up [and] go belly up
1. Sl. to fail. (See also turn turtle.) • I sort of felt that the whole thing would go belly up, and I was right. • The computer—on its last legs anyway— turned belly up right in the middle of an important job. 2. Sl. to die. (As a fish does when it dies.) • The cat was acting strangely for a while before she turned belly up. • Every fish in Greg’s tank went belly up last night.
McGrawhill's American Idioms And Phrasal Verbs