Here are a few things said about lazy people:

“He always does an honest day’s work—of course, it usually takes him a week to do it.”

“He’s so lazy they named a shoe after him—the loafer.”

“He’s so lazy, if he woke up with nothing to do today, he’d go to bed with it only half done.”

http://www.insultmonger.com/insults/witty_insults/insults_about_lazy_and_useless_people.htm