all-you-can-eat; buffet
Refers to a dining style where you can eat as much as you want for a fixed price or time. Often used in restaurant names and menus.
あの店は食べ放題が千円です。
That restaurant has an all-you-can-eat deal for 1,000 yen.
I want to go to an all-you-can-eat cake place.
I went to an all-you-can-eat yakiniku restaurant with a friend.
Since we're here, let's go with the all-you-can-eat option.
This course is all-you-can-eat for 90 minutes.
I ate as much as I wanted at the all-you-can-eat.