Noun
slippery slope (plural slippery slopes)
(figuratively) A chain of events that, once initiated, cannot be halted; especially one in which the final outcome is undesirable or precarious.
I think basing your actions off an assumption like that is a slippery slope that is going to get you in trouble.
Synonyms: thin edge of the wedge, thin end of the wedge
Once you put human life in human hands, you have started on a slippery slope that knows no boundaries. Leon Kass
The argument has been made in Congress that it is slippery slope if you allow therapeutic, what people people are calling therapeutic cloning, then you will get reproductive cloning. David Baltimore
seven wonders of the world and I have to ask for an eighth fill a bottle with some prayers and spend them on hope create an easy route just so I can complicate send my heart down that slippery slope. David Levithan
I walked along that slippery slope where if you fail through lack of faith, you sell your soul to the devil. Michelle Shocked
Never bend the rules. You bend the rules a little bit and then it's a slippery slope. Thomas Peterffy
All politics takes place on a slippery slope. The most important four words in politics are up to a point. George Will