Cussing up a
storm is a metaphor .A metaphor is a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable. In this
case the person is
basically using the statement to say that they are using a in excessive amount of fowl language.
I want nothing more than to settle scores you fucking
whore, I'm cussing up a storm but these tear drops are vain warning ,cause your time
will come ,I'm just
brain storming.