words on social media that you don't understand?

Have you seen any words on social media that you don't understand?
Here are some useful words to know:
'What's trending'

The word ‘trending’ refers to a measure of popularity. If a word or topic is 'trending' it is being talked about on social media.
‘Pictures of cute cats are trending online right now!’
‘The hashtag ‪#‎epicfail‬ is so popular with social media users that it is always trending.’
When something is widely shared on the internet and quickly becomes popular, we can say it has 'gone viral’.
Videos, pictures or posts 'go viral' when many people like and share them.
This comes from the idea that popular pieces of information are spread as quickly as an infectious disease, or virus, like the common cold.
‘The video of my dog doing tricks has gone viral.’
‘His speech on equality was so moving, it went viral.'