*hyperextension: to extend beyond that which is normal; to literally ‘go round the bend.’

*Political correctness: agreeing with the idea that people should be careful to not use language or behave in a way that could offend a particular group of people.

*Slippery slope: a process or series of events that is hard to stop or control once it has begun and that usually leads to worse or more difficult things.

Source:

Definitions via Merriam-Webster.com