Slug-a-bed
Someone who spends a lot of time in bed; this is not because they’re ill, but because they’re a bone idle, useless, twat who is totally unfit for purpose as part of the human race.
“Malcolm is always late for work; he says he’s got chronic fatigue syndrome.”
“Nah, he’s just a useless slug-a-bed cunt.”
“Nah, he’s just a useless slug-a-bed cunt.”