a dangerous and irreversible course:
the slippery slope from narcotics to prison.
slip me five
A dangerous course, one that leads easily to catastrophe, as in He’s on a slippery slope, compromising his values to please both the bosses and the union. This metaphoric expression alludes to traversing a slick hillside, in constant danger of falling. [ Mid-1900s ]
- Slipping rib
slipping rib slip·ping rib (slĭp’ĭng) n. A subluxation of a rib cartilage with costochondral separation.
- Slipping rib cartilage
slipping rib cartilage n. Subluxation of the costal cartilage, usually at the junction with the sternum, causing pain and an audible click.
adjective, slippier, slippiest. 1. Informal. slippery. 2. Chiefly British. quick; alert; sharp. adjective -pier, -piest 1. (informal or dialect) another word for slippery (sense 1), slippery (sense 2) 2. (Brit, informal) alert; quick slip something over on someone
noun, Australian. 1. one of a horizontal set of fence rails that can be removed easily to leave a gateway.