tomber dessus

come down on; stumble upon

→ tomber

phrase Uncommon #15,454

come down on; stumble upon Depending on context, this can mean to fall or land on someone or something, to confront or attack someone unexpectedly, or to come across something by chance. The pronoun usually indicates who or what is affected: lui tomber dessus, leur tomber dessus.

FR: En fouillant le grenier, je vais sûrement tomber dessus par hasard.

EN: While searching through the attic, I’ll probably stumble upon it by chance.

Quelque chose pourrait vous tomber dessus, alors soyez prudentes.

Something might fall on you, so be careful.

Savais-tu que ça allait te tomber dessus ?

Did you know that this was going to happen to you?

Suliman va nous tomber dessus.

Suliman is going to come down on us.

— Le Château ambulant (2004)

Quelque chose pourrait vous tomber dessus, alors soyez prudents.

Something might fall on you, so be careful.

Je viens juste de tomber dessus par hasard.