What Are You Doing?

Jack: "Brrrr.......goooo....ahhhh"
Me: "Booba....what are you doing over there?"
Jack: "Gaaa...oohhh....aaahh"
Me: "Hey honey, what are you talking about?"
I walk over and crouch down in his line of sight.
Me: "What are you doing sweetie?"
Jack: [:::MAJOR FART BEING RELEASED:::]
Jack smiles. 
Me: "Oh"

I should've known....