English edit

Etymology edit

From fumble + -roo (as in switcheroo) + -ski?

Noun edit

fumblerooski (plural fumblerooskis)

 
English Wikipedia has an article on:
Wikipedia
  1. (American football) 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.