Fleetsave is a term related to ogame. It's fundementally the most important aspect of the game, as you play in a live environment against thousands of other players- the only safe way of protecting your assets (fleet) is to save it(send away on mission for any given time).
Not only is it an important part of the gameplay but in the community it is part of the stigma attached to your ability.
The event where one who is leet, continues to be leet, and grows in leetness begins creating a mixture of tubgirl and goatse extracts. This mixture, known as leetsauce, begins leaking from all of the pores of said leet one.