The OC/IMDb Micro-cheating is a term used to describe a small act that indicates a person has physical or emotional interests outside of their relationship. The acts can range from social media interaction to dressing up when you think you’re going to see a crush. Acts of micro-cheating can be dangerous to relationships when they are done in secret and can lead to more serious acts of infidelity. Have you ever caught yourself daydreaming about that cute person who sat next to you in your freshman algebra class and wondering what could have been if you didn’t get all sweaty and nervous every time they looked your way?