noun
full song; complete piece of music
Wasei-eigo from 'full chorus'; refers to playing or singing an entire song from start to finish, not just a snippet.
wasei-eigo (Japanese-coined English), from full chorus
カラオケでフルコーラスを歌うのは疲れる。
Singing a full song at karaoke is tiring.
ラジオでその曲のフルコーラスが流れた。
The full version of that song played on the radio.
Variant with interpunct; less common but still seen.
Refers to one chorus or a short excerpt, contrasting with フルコーラス which means the entire song.
Wasei-eigo from English 'full' and 'chorus', meaning the complete song rather than just the chorus section.