This is the 6704th most frequent Japanese word.
バッチリ
Perfectly; flawlessly; just right.
In this sentence, 'バッチリ' is used to describe the presentation as being flawless.
昨日のプレゼンはバッチリだったよ。
Yesterday's presentation went perfectly.
Here, 'バッチリ' is used to indicate that something is ideal or well-suited.
この服はパーティーにバッチリだね。
This outfit is perfect for the party.
In this case, 'バッチリ' conveys that the preparations were carried out thoroughly and successfully.