What are those girls making the two-finger sign for?

What are those girls making the two-finger sign for?
1. Peace (yah, I know it's obvious)
2. Victory (a la Churchhill)
3. That's where Churchhill put his cigar. (Who did that joke? Bill Cosby?)
or...
4. Um, imagine them as symbolic of legs....

Oops. My time is up. They want me back in my cage now. G'night.

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