Cos they've got no Seoul! Thank you very much.
Thanks for the gold, kind stranger!
To observe spooky action at a distance! Thank you, I'll be here all week.
Because it has a little Seoul in it.
Because it ain't got no Seoul.
I got Kniiiiiives on it! that inspired the joke.
So he could say he listened to them when they were underground.
Pupperoni
because they have no Seoul