I've watched this many times and i still think it's brilliant! You've got some real talent!!
You need to listen to it carefully,
"All of the boys and all of the girls are begging to if-you-seek-amy"
so if-you-seek sounds like f-u-c-k spelled out, and amy sounds like me, so all of the boys and all of the girls are begging to have sex with britney, is what she's say, but in a very creative way