Edit, since people are now seeing this post who did not see the the reason for it:
At the time of creating and posting this, there was an account that was created using a well known username and spamming extremly transphobic hate posts. Some users were starting to interact with this very obvious troll, so I thought it might be a good idea to generally remind people how to treat these trolls. This is not about some light hearted banter or good faith jokes, this is about trolls that are truly only about spreading hate.
Sure. Click your profile top right -> settings -> Blocks -> Block instance