I'm Fine Mom! *Smack* - A loud declaration followed by a loud slap, usually from a m

A loud declaration followed by a loud slap, usually from a mom who knows the kid is lying.

I'm fine Mom! *Smack*, I just got in trouble at school and I didn't even do anything!

I'm fine Mom! *Smack*, I ate all the cookies and I didn't even share one.

I'm fine Mom! *Smack*, I told my dad I was fine, and now he's coming to check on me.