laugh on the other side of your face
US /læf ɑn ðə ˈʌðər saɪd əv jʊər feɪs/
UK /læf ɑn ðə ˈʌðər saɪd əv jʊər feɪs/

1.
passare la voglia di ridere, ridere amaro
to be upset or unhappy after having been pleased or confident, especially when something bad happens to you that you deserve
:
•
He was gloating about his win, but he'll be laughing on the other side of his face when he sees the penalty.
Si stava vantando della sua vittoria, ma gli passerà la voglia di ridere quando vedrà la penalità.
•
You might think it's funny now, but you'll be laughing on the other side of your face when you have to pay for the damages.
Potresti trovarlo divertente ora, ma ti passerà la voglia di ridere quando dovrai pagare i danni.