Someone who is known for cleaning up cum from someone else's ejaculation with any part of their body (normally the mouth)
Jen you are such a good "cock apron."
A small piece of material specifically used to cover your cock when cooking butt naked. Usually smeared with petroleum jelly on the inside to avoid chaffing.
Dude, I cooked up a storm last night for my woman, put my cock apron on too. She was well turned on.