You might have heard about FOMO, the acronym for Fear Of Missing Out. It is a psychological need of a person in society, particularly in social media. It is a common term nowadays used in advertising and marketing, applied in strategies and tactics to influence customer behaviour.
Other than FOMO, there are many other related acronyms spun off to describe a person's state of mind in the real-world and/or virtual community. Some of them have also become sales and marketing terms.
You can see these terms in social media hashtags.
FOMO = Fear Of Missing Out, or fear to be left behind. For example, when your friend posted something in the social media, and many friends reacted on it. You feel FOMO if don't follow suit.
FOBO = Fear Of Better Options. There is another one: Fear Of Being Outcompeted. This is commonly seen in a job interview. The employer is FOBO (fear of better options), the candidate is also FOBO (fear of being outcompeted).
YOLO = You Only Live Once. This is a trait of positive personality to live the fullest. It is also a common advertising term.
MOMO = Mystery Of Missing Out. This is a higher level of anxiety than FOMO. For example, when you post something in the social media and anticipate your friends to react, but you get very little reaction, you might fall into MOMO state.
FOMOMO = Fear Of the Mystery Of Missing Out. You are fear to post something, because you are fear of MOMO.
FOJI = Fear Of Joining In. This is another term of FOMOMO. Nowadays FOJI is a more commonly used term than FOMOMO.
BROMO = Bros protecting you from Missing Out. This is an act of solidarity from your friends to avoid you feel FOMO.
SLOMO = Slow to Missing Out. When something has happened in your social network while you are offline or sleeping, and you realize later...
JOMO = Joy Of Missing Out. This is the opposite of FOMO. You feel okay or even happier to be offline.