Interesting, neither does my (more liberally accepting than Oxford) 2016 Collins. I've certainly been using it as an informal greeting since '00s.
I don't know if I got it from Friends, it wouldn't have occurred to me, but I did start watching it around that time so it's certainly plausible.
Interesting, neither does my (more liberally accepting than Oxford) 2016 Collins. I've certainly been using it as an informal greeting since '00s.
I don't know if I got it from Friends, it wouldn't have occurred to me, but I did start watching it around that time so it's certainly plausible.