brim over

verb3

1. •
   To overflow over the brim (of a saucepan etc.)
2. •
   To experience a very strong emotion; to be overcome with emotion.

   • When he proposed, my heart brimmed over.
3. •
   To be bustlingly full of something

   • Flowers, grass, trees, the sun and moon, even the human body, were to him brimming over with song. — 2017