It would appear that Fluttershy and her probably-friend-by-now Sugarcoat have gained employment at Ye Olde Prehistoric Penitentiary. Somebody’s got to take tender loving care of all these adorable sick Triceratops! Triceratopses? Tricerati? Anyway, best dinosaur.
For
“That’s a funny way of saying ‘Tyrannosaurus’–”
“FIGHT ME DARLING”
Also on my headcannon, Tricerartopses be among many the War Doctor and Rainbow help on a Silurian ark in the Time War.