Something that smells due to lack of showering, bathing, or washing. It get's it's smell from wrapping itself in highly insulative materials, and sweating it's balls off. It can then through osmosis distribute its stink into unsuspecting couches and beds. It is enrolled into an institution, but often does not attend class.
Person A: Hey, have you seen that Prezby
Person B: Did you check the shower? (laughter)