Poor guy. When a friendly woman's voice, possibly his mom, called him to come over, the little one immediately obeyed, his tiny legs trotting as fast as a new walker's can go. Whether Jack came running for a rousing game of see-saw or a yummy banana, he sure wasn't expecting what actually greeted him: his grandpa doing his scariest, loudest, most realistic impression of a big lion.
Because kids have only two modes for expressing emotion--all or nothing--the tot has quite the reaction to his grandpa's roar. Watch the quick clip below, and we're sure you'll wish you could comfort the cutie.