Jazz+hands

Rog and Davo's description of Chelsea striker Diego Costa's goal celebration, in which he jogs away from the goal with both palms facing outward and fingers splayed—a hand position known in the dance world as "jazz hands."

Examples:
 * [|MenInBlazers.com, 10 November 2014]: "WARNING: Our Diego Costa jazz gloves darken the screen of @NBCSN in ONE HOUR."
 * [|Davo's Twitter, 27 September 2014]: "Jazz hands INTO jazz finger. New goal celebration move from Diego Costa."