Spanish: Ni En Su Casa Lo Conocen.

Type: Slang

Literal Meaning: They don’t even know him in his own home.

Meaning: He’s so NOT famous, not even his relatives know him!

Joel piensa que está listo para ganarse la vida como estrella del cine, pero ni en su casa lo conocen. Creo que seguirá de mesero algún tiempo más. (Joel thinks he’s ready to earn his living as a movie star, but he’s so much of a nobody, not even his relatives know him! I’ll think he’ll be working as a waiter a while longer.)