What does idby mean? View the definition of idby and all related slang terms containing idby below:
I Don't Believe You
Usage of IDBY
The abbreviation IDBY is a popular abbreviation used in texting to express disbelief or skepticism towards something that someone else has said. It means "I Don't Believe You." This slang term can be used in various contexts and situations to show disbelief or to express a lack of trust in what someone has told you.
Person A: "Hey, I just won the lottery!"
Person B: "IDBY. You're always joking around."
Person A: "I saw a UFO last night!"
Person B: "IDBY. That's impossible."
Person A: "I'm going to be a millionaire by the end of the year!"
Person B: "IDBY. You're not even working right now."