Related Clues:
- Slick with lubricant
- Like snakes but not worms
- Like an unwiped dipstick
- Obsequious Oscar is sly when abandoning ship
- Excessively charming
- Like sardines and Uriah Heep
- Like slick roads
- Like 48-Down
- Like sardines in a can
- Like bad fried food
- Like mechanics' rags
- Like a mechanic's hands, sometimes
- Like some driveway patches
- Like a snake's skin
- Kind of boid that catches the woim?