noun
huge portion; mega serving
Colloquial term for an extremely large serving of food, often used in the context of challenge meals or hearty eateries.
あの店のデカ盛りチャレンジに挑戦した。
I took on the mega-portion challenge at that restaurant.
デカ盛りメニューは若者に人気だ。
The huge-portion menu is popular with young people.
Describes food piled high like a mountain; デカ盛り focuses on the sheer volume rather than the piled shape.
Compound of デカ (slang for 'huge', from でかい) and 盛り (serving, from 盛る). A modern colloquial coinage.