Balls.

There are several meanings of the word 'baller' although in this instance it probably relates to the sporting world. Used by younger fans, baller is a fairly recent arrival in British football terminology. It seems to have come from basketball in America where it is used to describe great players.

 

I had to ask my personal consultant on all things American as to what Subway were advertising. Answer : A meatball sub!

 

 

Done