From hoof + -y.
hoofy (comparative more hoofy, superlative most hoofy)
- Having hooves; hoof-like.
2016 November 30, Elsa Panciroli, “How did the whale get its 'moustache'?”, in The Guardian:
Around 50 million years ago, cetacean ancestors took to the water. It’s not only those hoofy legs they’ve modified and lost in their consequent evolutionary journey.