He's 'deadly' [='dead'] serious about finding another job.
Officers are allowed to use 'deadly force' if necessary.
The two gang leaders are 'deadly' enemies.
(..) we were operating within our legal boundaries. I realize… passions are high, but I must warn you, the penalty for taking deadly force against a office of the court in the performance of his duty is, you will be hung by the neck until you're dead. May I please remove the warrant (..)2012 Django Unchained