D-buddies
The two guys on the roller hockey team who try to stop the other team but mostly just get in each other's way.
D-buddy 1: I'm gonna stop them. D-buddy 2: I'm gonna stop them. Both: We both stopped them. Both: We both failed.
They tackled the same player and got tackled back by the same player.
They both fell down at the same time and looked like idiots.