What does Attic-Critter mean?

Attic-Critter meaning in Urban Dictionary

An individual, archetype: Any college student lacking adequate funds, who life, eats, and rests in an upstairs loft (devil-laired like, coon infested loft), which becomes a domesticated lagoon animal. Maybe it's any domestic creature really. Might be a fleshy, anthropoid-like, extremely, slippery, black haired salamander. The individual could go into the loft in virtually any forms, races, or even sizes. Mexican, African American, Hiawatha, and sometimes even pauken. The patient then arrives as a live, breathing ATTIC CRITTER.