I've got more idioms for you 😁
Straight shooter
Meaning: someone who speaks the truth
Example: I really like Ken. He's a straight shooter, that's for sure. Read on
Heads will roll
Meaning: people will be fired or forced to resign
Example: Heads are going to roll when the boss finds out about the missing stock. Read on
Rocket science
Meaning: something very difficult to understand
Example: I've no idea why Kelly can't make a spreadsheet, and it's not exactly rocket science is it? Read on
Is there any other good ones that you know?