Grand'chose (en. Big thing)

/ɡʁɑ̃ ʃoz/

Synonyms

Used sarcastically to refer to something that intends to be important but isn't.

You threw a party for your birthday? Oh, that's a real big deal!

Tu as fait une fête pour ton anniversaire? Ah, c'est une vrai grand'chose !

Refers to a matter or project that seems grand but is actually mundane.

This launch won't be a big deal, I promise you.

Ce lancement ne sera pas une grand'chose, je te le promets.