Friend sent me this. Is there some hidden reference or something?

petah whats the icon on the far left door, i know what the others are but please petah

Petah please I’m dumbfounded

What does the text mean

Petah I require assistance

Halp

Petah I don't use Reddit enough to understand

Petah, explain this!!!

Yeah I don't get it

Petahaaa

I guess he lives there now