When to Use
- When you have successfully won a playful argument.
- Sending this to a crush to express flirtatious confidence.
- Reacting when you are feeling smugly satisfied with a situation.

Source: Border 2
A close-up shot captures actor Varun Dhawan in a military uniform, looking directly at the camera with a subtle, knowing smile on his face.
This is used as a reaction to show smug confidence, knowing satisfaction, or a playful, flirtatious attitude in a conversation.