How can euphemisms perform a useful function?

Create the fallacy using the premise below: Internet pornography can destroy this county. (slippery slope)

Create the named fallacy using the premise below: The Hunger Games is the best movie ever made.  (appeal to popularity)

I met two girls on a plane.  They were from Santa Fe.  They were total druggies.  Almost everyone in that city must be on drugs these days.

What are euphemisms?

The use of derision, sarcasm, laughter, or mockery to disparage a person or idea is known as 

We all know what “abortion rights activists” means–it means baby killers.

Identify the fallacy in the following passage: I used to work with an engineering major.  And man, they are really socially inept.

What are dysphemisms?

The classic argument–the Bible says that God exists.  The Bible is true because God wrote it.  Therefore, God exists–is an example of