Lyric discussion by heathergem 

I used to hear the lyrics way wrong. It actually sounded like a grotesque song about a girl beaten to a bloody pulp and that's what "lump" registered to me.

The guy is talking about once knowing a girl he thought wasn't very smart, slept around, did drugs and lacked any sense of morals and self control. He's imagining she might be dead already, or close to being dead, or if she's really having the time of her life. But she could be settled down. He had a sort of crush on her but didn't like the path she was going. He came back into her life to help her. And she realized that he actually cared for her, unlike the others, so she decided to settle down and no longer felt the need to have sex all the time. She just wanted to clean up, start excelling through life. The guy stopped referring her as "Lump" and that persona he gave her was gone.

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