That really grinds my gears...Flakers

So what really grinds my gears?? Flakers. What's a flaker you ask...

1. A flaker is someone who says they'll be somewhere then don't show up
2. A flaker has excuses for days
3. A flaker comes to an even then leaves.
4. A flaker thinks "dance-a-thon/relay/whatever" is more important than seeing someone for the last time.
5. A flaker gets "cut off"