sur le cul

stunned

→ sur
phrase Rare #39,890
stunned Very informal. Often means very surprised or shocked; can also mean on one’s ass / on the butt depending on context.
FR: Quand il a vu le résultat, il est resté sur le cul.
EN: When he saw the result, he was stunned.

Si ce gros s'était servi de ça, il aurait pensé à tomber sur le cul.

If that fat guy had used that, he would have thought he'd fall on his ass.

— Harry Potter à l'école des sorciers (2001)

Répète ça, et je te fous dehors avec ta gamine, sur le cul.

Repeat that, and I'll throw you and your kid out on your ass.

— Running Man (2025)

Amène-le, il repartira sur le cul!

Bring him in, he'll leave on his backside!

— Presque Célèbre (2000)

Yanni a donné à Skura une tape sur le cul.

Yanni slapped Skura on the ass.

Je suis sur le cul!

I'm floored!

— Carnets de voyage (2004)