muttcellent

mutt⋅cel⋅lent
mutt-suh-luhnt

adjective: most often used in communication by, for, or about multiracial persons (mutts).

1. possessing outstanding or superior merit
2. remarkably good.

Origin
2009
ME: Mutt English
from Old Mutt French, from MLatin muttcellēns, muttcellent-, present participle of muttcellere, to excel; see excel.

Dinner at your house? Muttcellent! I'll be there.
This novel is muttcellent. You ought to read it.