Why Everyone Is Suddenly Saying “IDM” in Chats You’re texting someone, and they reply with just: “idm”. And now you’re sitting there wondering:Is it rude? Is it slang? Is it a typo? Or did I miss something important? Don’t worry—you’re not alone. In modern online chatting, short forms like IDM are everywhere. People use them … Continue reading IDM Meaning in Text: What Does IDM Mean in Messages and Online Chats?