It's kinda self explanatory.
Fucking Emma. I want to bang my ex-girlfriend I want to bang her hard. I want to bang my ex-girfriend, even though she is a 'tard I'd ask you to fuck me, But you think I've got fleas, Which I probably have As I often fuck dogs. You can't say much, 'Cause you're such, A dirty fucking Catholic. But, I still want to shag you! I want to bang my ex-girlfriend I want to bang her hard. I want to bang my ex-girfriend, even though she is a 'tard You called me boring, Which is right, But your Dad's smells of shite. And I'm attracted to his arse. Can I bang him and you, In a threesome with two - Family members and call it incest. Please? I want to bang my ex-girlfriend I want to bang her hard. I want to bang my ex-girfriend, even though she is a 'tard I often masturbate 'or you, and cum all 'or my hand. I know that you are only young But can we please have anal? I'll try not to hurt you, But my fucking could be fatal. I want to bang my ex-girlfriend I want to bang her hard. I want to bang my ex-girfriend, even though she is a 'tard Get on my cock and ride! (Solo Like A Motherfucker!) I wish that you were from Shef'yeld And you and me could be, Virgins no more, And I would be happy. So next time you come up here, Please ask me for sex, And I will stick my penis, Right between your legs! I want to bang my ex-girlfriend I want to bang her hard. I want to bang my ex-girfriend, even though she is a 'tard Dedicated to Emma - "I will fuck you in the end, It's not a choice you have!" - Jordan Smith.
It's less funny when it starts to make sense