1. the act of attacking someone with a blackjack (a weapon consisting of a heavy head on a flexible handle)
Usage: informal; often used in historical or crime contexts

1. to hit or attack someone with a blackjack
Usage: informal; transitive verb
2. to coerce or force someone into doing something against their will
Usage: informal; figurative use

Examples

• The suspect was arrested for blackjacking a pedestrian in the park.
• They were blackjacking the witness into changing his testimony.
• The security guard was trained in defense against blackjacking attacks.
• He refused to be blackjacked into signing the contract.
• The police warned residents about a series of blackjacking incidents in the neighborhood.