When put into google translate it sound like "suck on deez nuts". Which can go down very wrong in a French class.
Person 1: Translate 50 19 to french!
Person 2: Eh why not?
... Minutes later ...
Person 2: Are you serious rn bro
Person 1: LOL no way you fell for that, cinquante dix-neuf, Suck on deez nuts. hahaha