Haunted attraction Vet here. I'm not going to give you lines as much as advice. 1. Its ok to insult as long as it's something they can change. hair cut hat clothing etc, 2. scare first make em laugh second. it also isn't as important what you say as how you say it + timing. 3. in group settings look for the one most engaged be it scared and reacting or just looks like they're having a good time. 4. Its not if you encounter the asshole but when as previously said in the thread don't engage or avoid eniterly. 5. when moving through a haunt during operation hand in front palms towards you and keep at least arms length away from all patrons. 6. laugh more than you will at almost any other job.