Rantrum
The insane, over the top exaggerated rant / tantrum type of tirade a person on social media goes off on in the form of a tweet, post, video, etc..
This person's going off in their rantrum video / tweet.
Rantrum
writing a message rant that sounds like you are throwing a temper tantrum
"man, bill and I got in a religouse debate, and he so threw a Rantrum."
Rantrum
When you’re SOOOOO angry you just can’t shut up!!!!
I was so pissed off that I had a proper rantrum
Rantrum
Combination of ranting and tantrum
I was done being discussed badly, so a "rantrum" was displayed