Here are some examples of what Eric means by “Friendly introductions to the truly appalling.” Not a comprehensive list, of course, just meant to whet your whistle:
At some point in our lives, we've all been on one, or the other, side of this situation. It can go something like this:
"OMG - This is terrible! Check this out!"
"This smells awful! Here, take a whiff."
"That person is the worst. Come here, I want you to meet them."
"I can't eat this, it is horrendous. Here, take a bite."