I can't go to that island disease - A stupid excuse people use when they're too weak to go to th

A stupid excuse people use when they're too weak to go to that island, began with Go D Ussop when he got scared of the whale.

I have the island disease. I can't even look at a ship.

My brother has the island disease. He won't go near the water.

I got the island disease after seeing the pirate ship. I'm too weak to fight.