放題 ほうだい
tabe hōdai

Noun

1. all-you-can-eat; eating as much as one likes

先週 せんしゅうはパチンコで った友人 ゆうじん にくをごちそうになりました。食 放題 ほうだいでたらふく べました。
senshūwa pachinkode katta yūjinni yakinikuo gochisōni narimashita. tabehōdaide tarafuku tabemashita.
Last week I was treated to dinner by my friend who'd won at pachinko. It was all-you-can-eat so I ate to my heart's content.