noun
home run; ball hit over the fence
Baseball term for a hit that clears the outfield fence, resulting in a home run. Wasei-eigo from English 'over fence'.
wasei-eigo (Japanese-coined English), from over fence
彼は試合の最終回にオーバーフェンスを打った。
He hit a home run in the final inning of the game.
あの打球はオーバーフェンスになりそうだ。
That hit looks like it's going to be a home run.