For the last couple of year I have been using Vim to twitter using the awesome TwitVim client. I like to keep the distraction factor low during my days, so it is a client that matches both criteria of:
I just went to check some direct messages and I got good old error code 93:"This application is not allowed to access or delete your direct messages".
This has to do with the OAuth token being an old token that is no longer valid for the new permission scheme.
Simple fix was to:
After that everything is working again as normal.