]:-) Meaning in Chat or Text Messages Online

The internet slang ]:-) represents a happy devil. This emoticon is created using different symbols that together form a smiling devil's face. The square bracket represents the devil's horns, and the colon and the dash create the smiling mouth. The vertical bar in between the brackets denotes the devil's eyes.

Here, the square brackets denote the horns, the colon and dash create the face's smile, the vertical bar between the brackets creates the eyes, with both together portraying a happy devil. The Happy devil emoticon is often used to represent a playful or mischievous mood, or to indicate devilishness.

Example usage:
- I just aced my exam ]:-)
- Just finished my work for the week! Time to go wild ]:-)
- Come on let's cause some trouble ]:-)