A child wearing a fake cow head is playing on the road. "Which way did they go!?" he's asking himself out loud. Apparently he's "it" and is looking for all of the other kids in a weird game of bovine hide-and-seek.
to play (games, sports); to enjoy oneself; to mess about (with alcohol, gambling, philandery, etc.); to be idle; to do nothing; to meet up (with friends); to hang out