Lyric discussion by Kruk 

Cover art for My World lyrics by Guns N' Roses

It is fairly obvious to me that this song is about masturbation...He is fantasizing while mentally belittling the one he is thinking about. "You ain't been mindfucked yet" is the line leading up to "Guess what I'm doing now," where the "victim" is now being mindfucked. It is simple really...