Mutt (noun)

1. A dog of mixed breed.
2. A dog of uncertain or mixed breed.

Origin:

origin is uncertain but likely derived from the word "muttonhead" (a term used to describe a foolish person) or from the word "mixture".

Examples:

1. The little mutt followed her home from the park.
2. He adopted a mutt from the local animal shelter.
3. The mutt was a mix of several different breeds.
4. The mutt was a little scrappy, but had a great personality.
5. The little mutt was a friendly and affectionate companion.