fleabag

noun4

1. •
   (slang) An unkempt mammal.

   • He's become a real fleabag recently. Time for a bath!
2. •
   (slang) A mammal whom the speaker dislikes.

   • Get out of the way, you fleabag!
3. •
   (slang) A place of shabby lodging, particularly a filthy hotel or run-down apartment.

   • ‘[E]veryone knows that Charlie […] takes little girls up to a room in that horrible flea-bag; but he's a respectable man just the same.’ — 1973
4. •
   (slang) A bed or sleeping bag.