Related Clues:
- DIRTY ___ MAN
- Like a once-in-a-blue-moon event
- Like many kids' jokes
- Pasta : al dente :: porterhouse : __
- Onetime
- Like one in a million
- Like some collectible coins
- Roast beef request, perhaps
- Hardly commonplace
- Out of vogue
- Pink, say
- Still red inside
- Like antiques
- Numismatist's classification
- "Something __, something ..."