Top definition
When a group chat splits off into a smaller group chat, excluding members that are problematic or no longer part of the friend group. More discreet than straight up removing someone.
I knew that Caitlyn would confront us about removing her from our group chat, so we had a group chat mitosis.
by Struggle Station September 07, 2017
Get the mug
Get a Group Chat Mitosis mug for your sister-in-law Yasemin.