Related Clues:
- Mouse's larger cousin
- Rodent larger than a mouse
- Street rodent
- ''You dirty ___!''
- Chinese calendar critter
- Relative of a mouse
- Critter with a long tail
- Sewer crawler
- Mostly despised rodent
- Critter in a sewer
- Rodent in a sewer
- Dumpster rodent
- Common sewer rodent
- One experimenting with new drugs, say
- With 11 Down, exhausting routine