Credit to Mike Salcedo for the original video.
720 million years ago, L and O started messing with F causing F to spell "fart" on L's butt. after embarassing L, F gets pushed to where she spells the word "frick" by pure accident. causing the other letters to beat F up.
Z is revealed at the end, holding planet Earth on her hand.
This video is not meant for child abuse BTW. it's for entertainment purposes only.