owngoals
nounUK /ˈəʊnɡəʊlz/
US /ˈoʊnɡoʊlz/
Goals you accidentally score for the other team.
The defender scored two owngoals in the same match.
OTHER MEANINGS
2. Mistakes that hurt your own side or cause.
His careless comments were owngoals for the campaign.
3. Actions that accidentally help your opponent.
The team's owngoals handed the win to the rivals.
4. In games, points given to the other side by your own error.
The video game counted his owngoals against him.