dumped, broke up with, stuck, pasted
Depuis que Pascouette a plaqué ta tante, c'est pas marrant.
Ever since Pascouette dumped your aunt, it hasn't been fun.
— The Little Thief (1988)
Un nez qu'on aurait dit plaqué à la hâte sur son visage.
A nose that looked as though it had been hastily stuck onto his face.
— De tout cœur (1998)
Il a plaqué sa femme quand elle était enceinte du muet.
He dumped his wife when she was pregnant with the mute child.
— Mystic River (2003)
Je travaillais à la télé, mais j'ai plaqué.
I used to work in television, but I quit.
— Pierrot le Fou (1965)