More participants here at Jientje
Get out of bed on the wrong side
If you get out of bed on the wrong side, you wake up and start the day in a bad mood for no real reason.
Know where all the bodies are buried
Someone who by virtue of holding a position of trust with an organization for a long period of time has come to know many of the secrets that others in more powerful positions would rather be kept secret knows where the bodies are buried. An implication is that the person knowing these secrets will use that knowledge to secure something of value for him- or herself.