He loved the oiliest fish, as he thought they were good for him.

Your eyelids

The superlative form of an adjective indicates the highest degree of the quality that the adjective describes. The superlative form of oily is oiliest.

They have a oil gland which has the oil in and they use their bill to use it on their feathers

Olive or Almond Oil - rub on immediately. If you don't have those, use the heaviest greasiest oiliest moisturizer. Aloe Vera pulp straight from the plant will be great. As will slices of potato.

It should subside in a day.