With her sunglasses on, Professor Burbage's sense of depth perception was just a liiiiiiiiiiiiiittle off and she ended up smacking her head into the door's frame as she turned around to check on the line. "Holy Orion's BELT!" she scoffed as she rubbed her forehead with her hand. Was she seeing stars? Oh, no, just the reflection of the sunlight through the window.

Ho ho ho ho.

"Alright, darlings! If you could please follow me!"

And with that she gave another excited wiggle and began to lead the way out of the classroom and down the corridor.