Regarding the last two lines of the song, he is pointing his finger back at her--not giving her the finger. The sky is horizontal, and his finger is parallel to the sky...so he's pointing at something. If he was giving her the finger the last line would be "one finger perpendicular to the sky." :)
Regarding the last two lines of the song, he is pointing his finger back at her--not giving her the finger. The sky is horizontal, and his finger is parallel to the sky...so he's pointing at something. If he was giving her the finger the last line would be "one finger perpendicular to the sky." :)