1. A block in American football in which a receiver or back runs toward the line of scrimmage to block a defensive player, typically on the side opposite the play direction.
Usage: sports; American football

1. To execute a crackback block in football.
Usage: sports; American football

Examples

• The wide receiver threw a crackback block to spring the running back for a long gain.
• The defense was penalized for a crackback block that was deemed illegal.
• He crackbacked the safety to open up the running lane.
• The offensive coordinator called a play designed to use a crackback on the edge rusher.
• She crackbacked the cornerback, allowing her teammate to gain extra yards.