どでかい

i-adjective

huge; gigantic; enormous

Colloquial emphatic form of でかい, adding a rough or exaggerated tone. Often used in casual speech among friends or in informal writing.

• あのビル、どでかくない？

  That building is huge, isn't it?

• どでかいハンバーガーを食たべてみたい。

  I want to try eating a gigantic hamburger.