To negatively comment someone's actions referring to them as being a hoe. Most people use it in the placement of "trippin."
Lamar: "Hey we still gonna smoke that blunt tonight?"
Alex: "Dog, I told you I was grounded nigga! Why you keep fringin?"
Lamar: "Aint nobody fringin over here nigga!"
From Terry Pratchett's "Discworld". It can be defined as 'a small short-crust pasty containing raisins'. But considering that 99.99% of the population dont know this, it can mean almost anyhting!
A Firgin is a Fake Virgin. What a person would say when they don't want to admit they aren't a virgin and have a moral obligation against lying. (to parents, grandparents, people they're dating, etc...)