Wow. Lol you guys are making such a big deal out of it!
Its just an experiment. She was just trying it out. She said she was just curious didn't she?
It just means she was a bit drunk and she tried it and liked it! Girls, please don't tell me u've never felt curious about how it would feel to kiss a girl. Katy perry just took it to the next level.
I think this is a witty, cutesy addicting song and katy was very brave to write a song like this! *Clapclapclap.* : D