Wiktionary
on-side kick
alt. (context sports English) A play in American Football whereby the team performing the kick-off kicks the ball the minimum distance (ten yards in most levels of play) in an attempt to immediately regain possession of the ball. This tactic is seldom successful. n. (context sports English) A play in American Football whereby the team performing the kick-off kicks the ball the minimum distance (ten yards in most levels of play) in an attempt to immediately regain possession of the ball. This tactic is seldom successful.