débarquer

/debaʁke/
1.
verbInf1st

to disembark (from a ship, plane, vehicle)

to unload (goods)

Les passagers ont débarqué de l'avion en une dizaine de minutes.

The passengers disembarked from the plane in about ten minutes.

2.
verbInf1st

to show up unexpectedly; to turn up unannounced

On était tranquilles et là, toute sa bande a débarqué sans prévenir.

We were chilling and then his whole crew showed up without warning.

3.
verbInf1st

to be out of the loop / clueless (colloquial) — literally ‘to have just arrived’ and not know what's happening

Tu débarques ou quoi ? Ça fait trois mois qu'ils ne sont plus ensemble !

Are you clueless or what? They haven't been together for three months!