slap my ass and call me Sally

Interjection

Southern-US colloquial mildly vulgar

(Southern US, colloquial, mildly vulgar) An expression of astonishment upon learning something unbelievable (usually positive).

Japanese Meaning

（南部米国の口語、やや下品）信じられない（通常は好ましい）出来事を知ったときに使う驚きを表現するフレーズ。

Slap my ass and call me Sally, we actually closed the deal in one meeting!

なんてこった、私たちがたった一回の会議で本当に契約をまとめたなんて！

Sense（1）

(Southern US, colloquial, mildly vulgar) An expression of astonishment upon learning something unbelievable (usually positive).