Street Fighter: The Storytelling Game is a role-playing game based on the Street Fighter video game series. It uses most of the basic game mechanics from White Wolf's World of Darkness games. It was released in 1994 and contains most of the characters from Super Street Fighter II.
A dragon punch, or "DP" as it is commonly abbreviated, is a big catch-all term for any motion attack (usually a DP motion) that sees the character attack towards the air with their fist, usually leaving their feet.