I'm Good Bud - You use this phrase like a weapon when you're too lazy to he

You use this phrase like a weapon when you're too lazy to help someone else.

'I'm good bud' when my cousin asked me to help her find her phone and I was too lazy.

'I'm good bud' when my brother needed help with his science project and I was just eating chips.

'I'm good bud' when my mom asked me to do the dishes and I said that instead.