If someone is on a slippery slope, they are involved in a course of action that is difficult to stop and that will eventually lead to failure or trouble. The company started down the slippery slope of believing that they knew better than the customer.

What does the phrase very slippery slope mean?

: a course of action that seems to lead inevitably from one action or result to another with unintended consequences.

What is an example of a slippery slope fallacy?

It is an argument that suggests taking a minor action will lead to major and sometimes ludicrous consequences. Examples of Slippery Slope: If we allow the children to choose the movie this time, they are going to expect to be able to choose the school they go to or the doctors they visit.