whacking

Adjective

informal not-comparable

(informal) Exceptionally large; whopping (often followed by an adjective such as great or big).

Japanese Meaning

非常に大きい、極めて大きい / すごく大きい、並外れた大きさ

She found a whacking pumpkin at the farmer's market and could barely carry it home.

彼女はファーマーズマーケットでとてつもなく大きなかぼちゃを見つけ、家まで運ぶのがほとんど不可能だった。

Sense（1）

(informal) Exceptionally large; whopping (often followed by an adjective such as great or big).

[…] all our grannies tell us how

He kill’d a whacking great dun cow;