That's just her schtick, right? It's put on for humor and effect.
She's lived in LA since the 1960s and would have lost it by now.
Her brother still seems to have his as well.
Penny's cancers are terrible, but her uber-butch slob routine is getting as old as her rotting cooch.
"Only on TNT"
That accent doesn't go away. My dad still has one and left the Bronx when he was 18.
Neil Simon, Calvin Klein, and Ralph Lauren all lost their Bronx accents pretty damn fast.
R5 Neil Simon was from Brooklyn. And Calvin Klein and Ralph Lauren were such upwardly-striving climbers they probably didn't speak with a Bronx accent even when they were living there.
Penny just didn't give a fuck.