Definitions by Captain Y-fronts

Droop

To have the droop. To feel slightly down and apathetic, for no clear reason.

Jake: "Something wrong dude? You seem down?"

Colin: "Nah, i'm okay man, just got the droop".

To have an extreme case of "the Droop", wherein everything seems to be affecting your mood for the worse, hightening your sense of doom and gloom.

Jake: Aww man, everything's going wrong! I think i'm getting the Cosmic Droop.