Person with a passion for swearing. (The word's literal Latin base translation is "one with a passion for sharp words.)
The term 'acriverbimaniac' is best used to seize the attention of the person to which the term is referring and effectively make the person stop using foul language.
Person 1: My iPod stopped working!! ****!!! I hate this ****!!
Person 2: Stop cursing, you acriverbimaniac!!!
Person 1: What the...!? Acriverbi-what!?
Person 2: Yes! It worked! You stopped swearing!