I don't want no trouble - A stupid phrase that means you're not ready for what's comin

A stupid phrase that means you're not ready for what's coming. It's like saying you're a ninja when you can’t even dodge a punch.

I don't want no trouble, but I just got a call from my grandma and she’s mad.

I don't want no trouble, but I just got a detention.

I don't want no trouble, but I just failed my math test.