Memojiction
The definition for a person who uses too many Memoji. It is considered as an obsession, it may lead to poor social skills and a lack of brain juice. People who use Memojis obsessively may also lack emotion and gain more friends.

*This is a very severe condition and please go to your local online turtle to seek medication*
Look, John has Memojiction! He uses too many Memojis in one conversation.