1. Artificial, fake. Something that has no substance.
2. A really bad knockoff, a copy.
3. Someone that copies or fronts. A hipster. Someone that bites. Someone that claims to be original when you know their whole style is a reenactment. Superficial.
" That kid ain't true, he spins that fugazi jungle."
"Nicole is so clueless, she has no idea her Gucci glasses are fugazi"