IHYTAD

I Hope You Trip And Die

When saying goodbye to a sociopath you've encountered, sign off using: IHYTAD

One and run

When you go on a first date and realize that it's not you, it's them. Bad date. You only need to have one before you run.

Friend 1: "How was your date with so-and-so?"
Friend 2: "Oh gosh, that's not happening again."
Friend 1: "Another one and run."