also: ドストライク
noun
smack in the middle; bullseye; perfect strike
Colloquial, emphatic way to say something hits the exact center or target, often used in sports or when something is perfectly on point.
あのピッチャーの球はどストライクだった。
That pitcher's throw was a perfect strike right down the middle.
ダーツでどストライクを決めた。
I hit a bullseye in darts.
na-adjective
perfect (for someone); just right; exactly one's type
Colloquial adjectival use, often with な, meaning something is an ideal match for one's taste or preference.
この曲は俺にとってどストライクだ。
This song is just my type.
彼女のファッションがどストライクすぎる。
Her fashion sense is so perfectly my style.