OldschoolEmpire | Meme‘s & Funny Videos on Instagram: "**📬 Mr. Postman Vine! 😂** Check out this iconic and hilarious Vine moment where a group of friends sing “Wait a minute, Mr. Postman!” followed by an unexpected and comedic twist. This short but memorable clip has become a favorite meme for its catchy tune and funny surprise. **📖 Storyline:** In this classic Vine, a group starts singing the catchy line, “Wait a minute, Mr. Postman!” Just as the song builds up, an unexpected twist occurs, t