to the gills

Prepositional phrase

idiomatic

(idiomatic) Entirely or extremely; to the greatest degree possible.

Japanese Meaning

非常に / 極端に / とても / 徹底的に

After the holiday feast, she was stuffed to the gills and could barely move.

祝宴の後、彼女は腹がちきれるほど満腹で、ほとんど動けなかった。

Sense（1）

(idiomatic) Entirely or extremely; to the greatest degree possible.

He came in with a suitcase, packed to the gills with samples and demonstration products.