Lyric discussion by elwyn5150 

This album was loosely a concept album about a boy trying to find fulfilment and find his way through life.

From the WIkipedia page: Thematically, Pornograffitti may be loosely described as a concept album. It follows the path of young boy "Francis" (one of the middle names of singer Gary Cherone) as he wanders through a decadent and corrupt society. Along the way he is faced with materialism ("Decadence Dance"), promiscuity and teenage pregnancy ("L'il Jack Horny"), political dishonesty ("When I'm President"), avarice ("Money"), addiction ("It's a Monster"), pornography and the ubiquitous use of sex as a tool of the media ("Pornograffitti") and misogyny ("He-Man Woman Hater").

Regarding the title of the song: people talk about everyone having a God-shaped hole that can't be filled by earthly things. Here's an interesting article discussing that phrase: gotquestions.org/God-shaped-hole.html

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