morveux

/mɔʁ.vø/
1.
nounmasculineSing

snot-nosed kid; brat — pejorative for an insolent or annoying young person

Je ne vais pas me laisser insulter par un petit morveux de dix ans.

I'm not going to let a ten-year-old brat insult me.

2.
adjective

snotty; having a runny or dripping nose

Essuie le nez de ton fils, il est tout morveux.

Wipe your son's nose, it's all snotty.