Disclaimer: I do NOT own Harry Potter or any of the characters from the books/movies, all rights belong to J.K. Rowling and those who helped create the movies.
Basic summary: Just a bunch of totally awesome drabbles containing Minerva's hi-jinx against the horribly loathed Dolores Umbridge to show her just what disloyalty is!
Umbridge and McGonagall were standing on the stairs in the main corridor at Hogwarts having a heated argument.
"It's so silly of me but it sounds as if you were questioning my authority, Minerva." Umbridge accused and McGonagall gasped.
"Not at all, Dolores." Minerva hissed as she practically spat out the younger womans name.
"I'm a tolerant woman but the one thing I will not stand for is disloyalty!" Dolores accused again and Minerva hissed out of pure hatred for this woman.
"Disloyalty! I'll show you disloyalty!" Minerva hissed as she turned into her animagus form.
"Mrowrrr!" Minerva hissed angrilly and swatted at Umbridge's legs with her claws before jumping up on her shoulder to give her a cat-like death glare.
"Oh my, okay nice kitty Minerva." Dolores whimpered in fear and Minerva purred at the sound of her fear and gave an angry swat at her face leaving three large claw marks across Umbridge's cheek before jumping down.
Minerva transformed back into her human form and stood up with her head held high and practically purred,"Accuse me of disloyalty again and next time I won't leave you with a face to scratch!"
"Is that a threat Minerva?!" Dolores tried to sound firm but it came out as a whimper and Minerva smirked,"No, that is a witches oath of promise Dolores and it is unbreakable so don't make me follow through on it because we wouldn't want to mar that pretty face of yours now would we?" Minerva said nonchallantly with a smirk as Dolores cringed.
The two witches were so busy staring each other down that they hadn't noticed large group of Gryffindor and Ravenclaw students that had gathered to watch the fight and Harry, Ron and Hermione were right in the front of the crowd along with Neville Longbottom and Luna Lovegood.
"McGonagall! McGonagall! McGonagall!" they chanted in cheer.
Minerva and Dolores turned to see they had an audiance and Minerva smiled proudly at the cheers of approval she was receiving.
"That was bloody wicked Professor!" Ron said with a gleeful expression on his face and Minerva smirked,"Thank you Mr. Weasley. Now I believe all of you are supposed to be in class so off you go. As for you three, you had better get to potions class before Severus has a fit and don't let him know I said that."
"Yes Professor McGonagall!" the golden trio said all at once with beaming smiles that made Umbridge scowl.
Why do they listen to her and not me? the pink wearing witch wondered to herself and Minerva seemed to sense this.
"Because I'm not trying to take over the school for one thing and for two, well face it Dolores we simply despise you!" Minerva said feeling smug all of sudden before she walked past her rival with a smirk as she made her way to her office.