Pobrecito se quemó con el café.

The humor likely comes from the absurdity of the situation, the exaggerated reaction implied by the text and emojis, and the unexpected cut to a child's uncontrollable laughter, creating a comedic juxtaposition.

The video shows people interacting with a man whose stomach has a drawing of a face on it. The text overlay and emojis suggest he was burned by coffee. The latter part of the video shows a child laughing hysterically.