red card

US /ˌred ˈkɑːrd/
UK /ˌred ˈkɑːrd/
"red card" picture
1.

a red card shown by the referee to a player who has committed a serious foul, resulting in that player being sent off the field

:
The referee gave him a red card for a dangerous tackle.
Getting a red card means you're out of the game.