When it's grilled, whale tastes like if tuna was a mammal. It's firm and quite lean and vaguely fishy, but in a way you can't really put your finger on and isn't really a bother. When stewed, it's basically like beef but shittier. It's got this lovely deep dark red colour and is kinda weird because you can't follow or find any sinew or sort of "shape" to the meat because it's taken off such a large animal. It's just this chunk of meat you can't really identify where on the animal it's from.

Also I kinda assumed you'd have some whale knowledge because I assumed that you were an American and as an American you were forced to read Moby Dick in class because that's like the great American novel or at very least pretended to read the cliffnotes on it and gotten the idea that it's a great and violent chase across the Atlantic for money and revenge, and not like a small crew in a fishing boat in a fjord with a grenade harpoon