Jen: Douglas has asked me to be his PA. / Moss: Oh. My. God! Well, that is something and a half. His PA? How... Whoa! His PA... Shut up! His PA! / Jen: It means "personal assistant". / Moss: Thank you. Right, OK. What does that actually involve? / Jen: Oh, you know, picking up his mail, going to the supermarket for him, getting his washing. I have to say, Moss, it's a real step up.
Source: wiktionary