(idiomatic) Used as a mild oath, or as an expression of astonishment

Alternative form of one man and his dog

(slang, US) Used to denote compounding levels of dare "seriousness"; the escalation of a double dog dare.

A wild canid, Lycaon pictus, typically black, white and tan, found in Tanzania, Kenya, Zimbabwe, Botswana and South Africa.

(US, informal) A guide dog for people who suffer from impaired vision.

African hunting dog

a cry of delight or enthusiasm

A long-winded joke or tale featuring the narration of typically irrelevant details, and usually ending with an absurd or pointless punchline which is often a pun or Spoonerism on a known catchphrase.

Alternative form of shaggy dog story.

(simile) Alternative form of like a dog in heat