Lyric discussion by modernguilt 

Cover art for White Wedding lyrics by Billy Idol

I believe that this song IS talking about like a sisterly figure in his life,

i was just recently explaining it to my sister to be exact lol

but anyway, he says "Hey little sister what have you done?" and stuff like who's your only one.

basically his "sister" got pregnant out of wedlock hence the SHOTGUN- shotgun wedding. and her "Superman" isn't fit to support her, he feels bad that he's been away for so long and that it's like it's his fault. he's saying that she should get married, but she can't have a WHITE WEDDING because she isn't a virgin anymore.

so i believe that it's a song about premarital sex and thinking about the choices you make..... but idk. let me know what you think.

Song Meaning

@modernguilt it is about his actual sister. It is a nice day gor a white wedding. The sister wasn't pregnant. It is not a shotgun wedding (where the father has to aim a shotgun at the groom to make him marry his daughter after the guy gets her pregnant).

Shotgun in the song is riding shotgun as in protecting . Reread the lyrics