Callenism on Telling the Truth...

Me: Are you stinky pants?
Callen: No.
Me: Are you sure? You smell stinky to me! Did you go potty?
Callen: Noooo!
Me: Are you lying?
Callen:  :::GRRROOOWLLLL!:::
Me: What? Why?  Oh, no... not LION, lying!
Callen: :::GRROOWWLLL!!!:::