Yes, there is such thing as lobster ice cream - I found it in Bar Harbor, Maine, at Ben and Bill's Chocolate Emporium. Here is the description:
It was not tasty at all. It literally tasted like frozen chunks of lobster in butter ice cream. Like, salted butter ice cream.
I prefer to eat my ice cream with lobsters. I had a scoop of chocolate peanut butter cookie dough. That's what's up.
Enjoyed my ice cream with some harbor.