YOU SAID:

when a song is just so good that your body turns into a jello and flops around

INTO JAPANESE

あなたの体がゼリーに変わって、まわりで動くほど曲がちょうど良い時

BACK INTO ENGLISH

When your body turns into jelly and the song is just enough to move around

INTO JAPANESE

あなたの体がゼリーに変わって、歌が動き回るのにちょうど十分であるとき

BACK INTO ENGLISH

When your body turns into jelly and the song is just enough to move around