fallait pas

shouldn't have

→ falloir
phrase Rare #25,741
shouldn't have Informal spoken form of « il ne fallait pas », with « il » and « ne » omitted. Depending on context, it can mean that someone was not supposed to do something or that doing it was unnecessary.
FR: Fallait pas lui dire la vérité !
EN: You shouldn't have told him the truth!

Fallait pas me mettre ces papiers sous le nez!

You shouldn't have put those papers in front of me!

— Léviathan (2014)

Fallait pas déconner avec moi.

You shouldn't have messed with me.

— Apocalypse Now (1979)

Fallait pas te déranger.

You didn't have to go to all that trouble.

— Tesis (1996)

Fallait pas me provoquer!

You shouldn't have provoked me!

— Astérix & Obélix : Mission Cléopâtre (2002)

Fallait pas l'embrasser.

You shouldn't have kissed him.

— Le Cinquième Élément (1997)

Il ne me fallait pas y aller.

I shouldn’t have gone there.

Fallait pas venir.

You shouldn't have come.

Fallait pas t'en faire.

You shouldn't have worried.

— Volver (2006)

Fallait pas le sortir du coffre.

It shouldn't have been taken out of the trunk.

— Reservoir Dogs (1992)

Tu vois, fallait pas me forcer à aller bosser.

You see, you shouldn't have forced me to go to work.

— Une Affaire de famille (2018)

Fallait pas bouffer les restes de tout le monde!

You shouldn't have eaten everyone's leftovers!

— Carandiru (2003)

Je savais qu'il fallait pas retirer le couteau, tu me l'avais dit.

I knew I wasn't supposed to remove the knife; you’d told me so.

— Reconnu coupable (2026)

Fallait pas te donner tant de mal.

You didn't need to go to so much trouble.

— Tout sur ma mère (1999)