Shortened form of "The Alex and Charlie Format", popular kids TV show from the 90s, featuring Youtube partners Alex Day (aka Nerimon) and Charlie McDonnell (charlieissocoollike). Reoccurring themes in the program include the theming of episodes based on a letter or musical key, "Tip of the Day", "Face Friday", "Game Reviews", "Reality Investigators" and popular section "The Keith Chegwin Moment".
90s child 1: Do you watch TAaCF? It's totally wicked!
90s child 2: The Alex and Charlie Format? No way, it totally sucks....NOT!