smantrum 

To throw a fit in the manner of Stephenie Meyer; To act childish, unprofessional or ungrateful.

That woman's book was leaked on the internet and she had a smantrum like you would not believe, going to far as to even threaten her fan base.

smantrum by Andacus October 23, 2008

Shantrum 

A very public tantrum had by public health ministers trying to destroy public healthcare and losing their shit when called out over it on social media...in the middle of a pandemic.

Tyler Shandro hold the record for most epic shantrum in Canadian history, let alone Alberta!

Shantrum by This machine tickles fascists March 27, 2020