The act of doing homework while half asleep. Usually, the next morning, you have no clue when you did it, all that matters is that you have it ready for school, and you might possibly get a good grade for once.
Kid1: Ayee,do you happen to have the homework from Mrs.Riggle's class?
Kid2: Actually, I do! I sleemworked this junk.
Kid1: I wish I could sleemework like you.
Kid2: Yea, I know.