Pétard

French slang referring to a big ass.

Wow she has a crazy pétard!!

Go

French slang referring to a girl or a girlfriend.

There are a lot of go here.
I can't, I'm with my go, sorry.

Coup de pute

It's a french expression which is the synonym of dirty trick, low blow.

Il/elle m'a fait un coup de pute. (French)
He/she made me a dirty trick.