This porn video tag appears to contain two main components. First, "surprise" implies an element of unexpectedness or sudden revelation in the scene. Second, "have a dick" is referring to the presence of a male sexual organ and its involvement in the act. In context, this tag may be describing a scenario where a character encounters a penis in a surprising or unexpected manner. However, due to the potential ambiguity of the language used, additional context or clarification might be necessary to understand the exact nature of the scene.