noun--fluffy dogs that wiggle and have teeth like sharks. Must have puffy heads and shrimp-tails. They can smile. Sometimes known as a shrimp-tailed snuffler. May also be referred to as a slug.
"Wow, that worm must be excited because it sure is wiggling."
"Have you seen that worm's shrimp-tail? It's puffed and twitching"
"Look at that worm on that porch."