Think you know every line and joke from Mean Girls? Think again. We uncover sneaky Easter eggs, continuity goofs, and sly foreshadowing that flew under your radar — from Glen Coco’s unlikely origin and the Burn Book handwriting to Regina’s foreshadowed bus accident, Ms. Norbury’s wrist cast turned plot detail, the silicone/silicon blackboard gag and the cafeteria map that maps out the social jungle. Spoilers ahead!
