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When you blast your fake gun into the sky and scream 'Kah Kah' like you just won the lottery and your mom's getting a tattoo.
I just saw the principal trip over a chair and I did the Kah Kah so hard my elbow got a second opinion.
My fake gun was so loud the birds flew out of the tree and screamed too.
I did the Kah Kah when my brother ate my last cookie and I didn't even have to fake gun him.