noun
Loanword from English; used in contexts like travel, events, or poetic descriptions. Often interchangeable with 満月 (まんげつ), but フルムーン can sound more stylish or Western.
今夜はフルムーンだから、月がとても明るい。
Tonight is a full moon, so the moon is very bright.
フルムーンの夜に特別なイベントを開きます。
We'll hold a special event on the night of the full moon.