mad dog shitting razor blades
When you're having a real conversation and the other person keeps changing the subject like they're trying to escape a jail cell.
You: 'Did you copy my homework?' Them: 'I was talking to my crush.'
You: 'Why did you lie to the teacher?' Them: 'I was trying to save my dog from a car.'
You: 'Why did you eat my lunch?' Them: 'I was trying to beat my mom at chess.'