Emoji Disorder 

This is a very serious problem. It consists of excessive and compulsive use of in necessary emoji.
This can be in emoji chains - the repeated use of one emoji consecutively between two or more people.
Or
The random - the continuous use of irrelevant emojis in a conversation between two or more people

SNAPCHAT CONVERSATION

Bob: Hey, how are you?
Phil: Hey, I’m really happy ☺️
Bob: Good ☺️
Phil: ☺️☺️
Bob: ☺️☺️☺️
Phil: ☺️☺️☺️☺️
Pete: OH NO I NEED TO GET OUT OF HERE BEFORE IM TO NFECTED WITH EMOJI DISORDER... 😱

Emoji Disorder by Billietta Jones June 9, 2018

Excessive Emoji Disorder 

The common disorder found online, it's when people love to post 2 - 10 emojis after pretty much everything they post on social media. Can also, of course, be referred to as an acronym.

Person 1: Yo dude, check this out
Person 2: Why did they put 20 emojis afterwards? Nah bro, this is a severe case of Excessive Emoji Disorder.

Excessive Emoji Disorder by teslacoil537 June 27, 2016

Emoji Compulsory Reaction Disorder (ECRD) 

This is the urge you feel when you either want to click on existing or add new reaction emojis to conversations on Slack or any other platform that offers Emoji reactions.

Youssef and Angelo seem to have an Emoji Compulsory Reaction Disorder (ECRD). They just cannot stop clicking the emojis they see.

Emoji Compulsory Reaction Disorder (ECRD) by semyou November 26, 2019