(as) dead as mutton
01
undoubtedly no longer alive or in existence
Dialect
British
BritishIdiom
Informal
例
When the batteries in the remote control died, it was as dead as mutton, and we could n't change the channel.
02
not functional or in general use anymore
DialectBritish
BritishIdiom
例
The decrepit mansion had fallen into disrepair, its grandeur now dead as mutton, a relic of a bygone era.
