nous cassons

let's leave, let's get out of here, let's break

k a . s ɔ̃ → casser
cass to break, to smash + ons we form (present or imperative)
verb · present tense, 1st-person plural Rare #50,775
let's leave, let's get out of here Used with nous in the colloquial expression se casser, meaning to leave.
FR: Cassons-nous, il est tard.
EN: Let's get out of here; it's late.
let's break
FR: Cassons le chocolat en petits morceaux.
EN: Let's break the chocolate into small pieces.
Conjugation of casser
Indicative present
SingularPlural
First casse cassons
Second casses cassez
Third casse cassent
Imperative
SingularPlural
First — cassons
Second casse cassez

Cassons-nous d'ici.

Let’s get out of here.

— Akira (1988)

Ne le cassons pas en deux.

Let’s not break it in half.

— Star Trek : Sans limites (2016)

Allez, cassons-nous de là.

Come on, let's get out of here.

— La Cité des hommes (2007)

Cassons-nous.

Let's get out of here.

— La Vague (2008)

Sounds similar to