dog-tired

Meanings

1. 1
   adj

   informal: extremely tired; exhausted

   After digging until midnight, they were dog-tired and ready to sleep.

A compound of dog + tired, recorded from the nineteenth century. Dog acts as an intensifier, as in dog-sick and dog-poor, rather than indicating a special kind of tiredness associated with dogs.

Topics

External links

• Cambridge Dictionary
• Wiktionary
• Google Images