If something is snoutiest, it has the most snout-like or protruding snout.
The word snoutiest is not a common word and might sound funny or made-up.
Examples:
The elephant has the snoutiest trunk.
The dog with the snoutiest nose won the contest.
She has the snoutiest face I've ever seen.
That is the snoutiest pig I've ever seen!
The snoutiest anteater in the world lives in the zoo.
He has the snoutiest face of all the kids in the class.