The phrase "in a tantrum" is correct and usable in written English.
You can use it to describe a person who is having a fit of temper or anger. For example, "The toddler threw himself on the ground and started screaming in a tantrum."
Previous attempts to get this assessment had failed, often ending with Ms. Mendoza in a tantrum.
(In one scene, he is even shown demolishing his dressing room in a tantrum – he's a good smasher-upper).
For example, Jen thought we should remove him from his bath after 30 minutes even if it meant every bath ended in a tantrum.
He captures the second childishness of old age as he pummels the sofa in a tantrum demanding another bottle of whiskey.
Conkling, still in a tantrum over Grant's loss, told Arthur he was not to accept the nod; for one thing, Garfield was bound to lose in the fall.
In a tantrum of equal ignominy, he bangs the wheels in turn with a shovel and quickly gives up, shouting "All right I don't care!" in a position like a Muslim praying.
The judge's little-boy-in-a-big-suit tantrum was transparently pitched toward the president, and reports indicate that it worked.
And it ended with me canceling my card in a tantrum--not the carefully planned detox process I had hoped it would be.
Most infamously, New York City attorney Aaron Schlossberg in May threw a tantrum in an NYC restaurant and threatened to call ICE on a service worker who was speaking Spanish.
You shouldn't give in to your partner just because they are sad that you didn't meet their request, just like you shouldn't give in to a child throwing a tantrum in public.
I knew the peanut phase was a blip and that the throwing-a-tantrum-in-the-Natural-History-Museum phase lasts much longer.
