When to Use
- When you start working out and see initial results.
- Showing how you look versus how you actually feel inside.
- Responding to someone who underestimated your capabilities.

Source: Kung Fu Hustle
A split-screen image shows a young, thin boy in the top frame, followed by the same boy in the bottom frame flexing his well-defined, muscular physique.
This meme is used to humorously showcase an unexpected glow-up, sudden physical transformation, or a surprising display of hidden strength and confidence.