Referring to something or someone. Originally coined by Hollywood when PG ratings wouldn't let them say mother fucker but has since been generalized by the public to mean just about any person, place, or thing. Mofrackyville is approximately six mofrackets south of Smallville with a population of about three dozen inbred mofrackies.
When cursing is unacceptable because you're either at church or at a business meeting or among mixed company or you want your underage kids to use a curse word and the verb or noun mother fucker needs to be used you can you mofackle instead.