A person who demands everyone's attendance at events and will not take "no" for an answer. Also, this person tends to discourage people from leaving social events and interrogates them as to the reason for the departure
Person 1: Are you going to happy hour?
Person 2: I wasn't planning on it but I didn't have a good excuse and Kristin wouldn't take "no" for an answer.
Person 1: She's such a social bully.