He learned the word cheese when we were taking pics of the kids and kept telling his sister to say it. She wouldn't, he did. Now when he sees a camera he just keeps repeating "cheese!"
As for "bow", that's what we call hair accessories around here. He pics up bows all day long and tries to get them in his hair. He tries to pull them out of his sisters hair and get them on himself. He also holds a bow on his head when he sees a camera and cycles between "bow" and "cheese".
Right now he's debating between a single flower blue barrette and a multi flower purple headband. Decisions, decisions.