Removed from a game or removed from play; can be applied to any situation where one is not permitted to participate in an activity.

Derived from the sporting world where players often sit on a bench when not playing. A player can be benched for many reasons including but not limited to: playing or performing poorly or sucking, disobeying the coach or leader, unsportsmanlike conduct, not following the game plan, showing up late, etc.

To be raped in a violent or agressive way.
Usaully used for soft language so you don't have to say rape.

to be drunk and on a bench with a friend. discussing pointless topics.

equivalent of "served"

A person goes behind your legs, on their knees, whilst another person pushes you from the front and you fall back.

Sitting on a bench in the schoolyard during recess against one's will; punishment imposed by teachers on elementary school children for bad behavior.