A post in a forum or on social media one uses to indicate they are leaving a group, thread, or discussion. Typically met with a roast of said person for making a spectacle vs leaving quietly.
A-Hey did you see Maria's post that she's leaving the group?
B-No I did not.
A-She got roasted pretty good for making an exit post.
B-No I did not.
A-She got roasted pretty good for making an exit post.
by xxxmdubxxx January 9, 2017