fahj typically is a safe way to call someone a fag in school, around parents, or any authority for something homosexual they said or did, but it can be used as a sub cuss word for fuck
Example 1:
fag·juice (fag·joose) noun
1. One of the rarest juices in the world, extracted from root of fagitus, found only in several of the worlds dormant volcanoes.
2. Often used as an insult to express anger when a friend does not wish to show you their new butch haircut.
1. Now this, children, is known as root of fagitus. Highly toxic, I suggest you do not consume.
2. Person 1: I will not send you a picture of my haircut, Katrina. It's too butch for my liking. You will have to see it for yourself on Monday.
Person 2: BUT I CAN'T WAIT TILL MONDAY, FAGJUICE.
Has a great many alternate names, including 'fuck-hole', 'pussy' or even that old charmer, the 'bearded clam'.
It's Latin name is the 'vagina'.
Not every one is lucky enough to have one, but all of us came from one and many will spend their lives trying to get back into one.
Son: Hey, I just ate the worst kebab ever.
Dad: Really? It probably tasted like your mum's fajutz!
Son: Hehe, yeah... kinda looked like it too.