The most common and most likely answer to this crossword clue is the 8 plus 7 letter word SPRINGER SPANIEL
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More clues leading to the result SPRINGER SPANIEL
- Barker having prepared speech about double-cross
- Awful sinner grips pale dog
- Dog chewed slippers in anger
- Dog‘s price doubles on board outside front of inn
- One jumping in leaps, barking dog
- Dog chewed up grannies’ slipper
- Dog displaying larger nippiness
- Talk about twin’s cross breed of dog
- Story about bell by bridge and dog
- Dog's price doubles on board outside front of inn
Buddy explains!

The straight part
We know that "dog" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dog = springer spaniel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.