Definition
Used to describe something that is completely full or filled to maximum capacity.
十足、十分、完全
The audience packed the concert hall to the gills.
觀眾把音樂廳擠得水洩不通。
I packed my suitcase to the gills and it barely closed.
我把行李箱塞得滿滿的，幾乎關不上。
After the Thanksgiving feast, we were all stuffed to the gills.
感恩節大餐後，我們都吃得撐到不行。