SNSD revealed the real oppas they think of when they sing Oh!, wherein the girls confess their love for an oppa multiple times. On today's KBS 2TV's Entertainment Relay episode, the girls had an interview at one of their recent encore concerts. They were asked who they think of when they sing Oh!. Hyoyeon answered, "I think of the camera man," while Sooyoung said,"I think of the oppas in the army."

The interview also shows snippets of the concert itself so check it out: http://www.youtube.com/watch?v=HyngoAiueFQ