come out swinging

Meanings

1. To initiate an encounter or interaction by behaving in an unrestrainedly aggressive, confrontational, or accusatory manner.
2. To display spunk and strength of character, especially when rising above or when fighting back against trouble or adversity.

Etymology

An allusion to the behavior of a boxer who immediately begins a boxing match or a round of a match by aggressively throwing punches in an unrestrained manner.