"Momma, I have a plan."
 
"You have a cunning plan?" 

"What's cunning mean?" 

"Cunning means smart."  

"Oh."

"So tell me, what's your cunning plan?"

"......"

"You have to say 'I have a cunning plan...' and then you tell me what your plan is."  

"......"

"Go ahead, say 'I have a cunning plan...'"

"No." 

"Why?" 

"My plan wasn't smart."