in arms

Stanton’s dragon aunt is up in arms that her nephew is engaged to Elinor when he’s already promised to one of her two daughters, whose names and identities she can’t even keep straight.

When Pearlman tried to rationalize the conservative leanings of his neighbors — “I think my neighbor is upset about his taxes. I don’t think he’s upset about a Black family here” — I retorted that his neighbor would be up in arms if it was a Mexican family, and he conceded the point.

And this time, he's joined his comrade in arms, Elon Musk as well as House Republicans who are calling for the impeachment of federal judges who don't immediately capitulate to their arguments:

Then, die-hard fans got up in arms about Zegler’s comments that the story would be updated for modern times, putting less emphasis on Snow White’s dreams of Prince Charming.

In the words of one national Democratic strategist, who did not want to be identified criticizing the governor, “It seemed like the two were brothers in arms.”