have the last laugh

have the last laugh или get the last laugh  {v. phr.}

Оставить кого-л. в дураках за то, что тот посмеялся над вами.

Other schools laughed at us when our little team entered the state championship, but we had the last laugh when we won it.

Ср: HE LAUGHS BEST WHO LAUGHS LAST, TURN THE TABLES.