also: ホームタウンディシジョン
noun
hometown decision
A sports term referring to a decision or ruling that favors the home team or local competitor, often implying bias.
あの判定は完全にホームタウンデシジョンだった。
That call was totally a hometown decision.
ホームタウンデシジョンに泣かされたチームは抗議した。
The team that suffered from the hometown decision protested.
A more Japanese-native way to express the same concept, but ホームタウンデシジョン is the established loanword in sports contexts.
Loanword from English 'hometown decision', used primarily in sports to describe a biased ruling in favor of the home side.