Bleeders meaning : A person who is easily made to bleed, or who bleeds in unusually large amounts, particularly a hemophiliac. A blood vessel that requires cauterization etc. to stop it from bleeding during surgery. Anything that saps a resource produced by something else. A valve designed to release a small amount of excess pressure from a system. A troublesome fellow; a blighter. A person who spends a great deal of time playing video games.