The word "滚开" is formed by combining two individual characters, each contributing a vivid conceptual image to create a forceful command. The first character, 滚 (gǔn), originally depicting water boiling and tumbling over, imparts the core idea of rolling or moving away in a continuous, uncontrolled motion. It is paired with 开 (kāi), a character pictographically representing the opening of a door or gate, which adds the notion of creating space or separation. Together, they form a metaphorical compound where the imagery of "roll away" and "open up (a path)" merge to produce the direct and abrupt meaning of "get out of the way" or "scram".