In American football, the fumblerooski is a trick play in which the football is intentionally and stealthily placed on the ground by an offensive player, usually the quarterback. Wikipedia

A trick play wherein the quarterback deliberately places or leaves the ball on the ground upon receiving it from the center, technically fumbling it, after which the backs run to the right, deceiving the defense into following them, while the right guard picks up the ball and runs to the left. Wiktionary