Welcome to the Kid Phrase Index, where every week we track the biggest movers, surprise newcomers, and unstoppable classics shaping childhood communication across the country. Behold — this week's most popular phrases. #8 — "But you said you would." New listing We attribute the surge to a summer wave of broken commitments involving water parks and related activities that were described as "definitely happening" before a parent remembered they'd agreed to it in a moment of wea