(noun) The day after a sickness you contracted has finally subsided, but you are not sure if you should go back to work/school. In essence, a free day where you could go but you "don't think your up to it".
He told me he was feeling better. I guess he's just taking a recuperation day.

What a dickweed: his recuperation day has turned into a recuperation week. I'm stuck with all his work now. Lazy ass bastard.
by RvsB Sarge February 15, 2007