n'ombre
A loud, angry way to say you're not impressed. Like when someone tells you they're rich and you say 'N'ombre!' because they're not.
He said he's rich. I said, 'N'ombre? You still eat ramen.'
She said she's famous. I said, 'N'ombre? I don't even know who you are.'
He said he's a rockstar. I said, 'N'ombre? You can't even play a guitar.'