That's when it's time to block that person. On Snapchat, the blocking process is really easy, assuming you're familiar with navigating the app. Blocking people on Snapchat will only take a minute ...
As one Redditor noted about Snapchat's My AI feature when ... search My AI and press Block. Go to the Chat, click on the My AI button in the top banner, then hold down My AI in the message chat.