be laughing all the way to the bank

US /bi ˈlæfɪŋ ɔl ðə weɪ tu ðə bæŋk/
UK /bi ˈlæfɪŋ ɔl ðə weɪ tu ðə bæŋk/
"be laughing all the way to the bank" picture
1.

大儲けする, 笑いが止まらない

to be making a lot of money very easily, often in a way that other people might disapprove of

:
Despite the controversy, the company is laughing all the way to the bank with its new product.
論争にもかかわらず、その会社は新製品で大儲けしている
The scam artist was probably laughing all the way to the bank after tricking so many people.
詐欺師は多くの人を騙した後、おそらく大儲けしていたのだろう。