A mutt is a term used to describe an unneutered male dog, often referring specifically to mixed breeds or dogs that are not purebred. The term can also be used more generally to refer to any large-sized dog, regardless of gender or breeding.
Usage examples
Adopted a mutt from the local animal shelter.
The mutt played fetch with the children in the park.
She described her dog as a lovable mutt with a mix of different breeds.
Walking my mutt in the neighborhood is always a great conversation starter.
The mutt happily wagged its tail as I scratched behind its ears.