I think the meaning is quite simple and self explanatory. The singer is seeking revenge against someone who hurt them, but it's probably in a more psychological way than a physical way. 'I will be a gun and it's you I'll come for'... that seems symbolic for becoming successful or powerful, building up your strength, ultimately to emotionally ruin the person who hurt you.
I think the meaning is quite simple and self explanatory. The singer is seeking revenge against someone who hurt them, but it's probably in a more psychological way than a physical way. 'I will be a gun and it's you I'll come for'... that seems symbolic for becoming successful or powerful, building up your strength, ultimately to emotionally ruin the person who hurt you.