"Fo yeah, I'm awesome!"
"Do you want to go to the movies?" "Fo yeah!"
Origin: Old Ghettish
A word used by lads to say that something is unfair.
Lad 1: I lost 60 cents from the World Stock Market Crash.
Lad 2: Life is so slack dogg fo shizz
The act of two guys putting their genitalia in a girls mouth (4 testicles)
Yo Me and the homie finna give that girl the fo fo fo
comes from E-40's manipuilation of fo shizzle
means
a)sure
b)yes
c)cool
are you goin to da club on friday cuz?
fo shaggindof homey
Another way to say for real; the way for real sounds when you say it.
"My girlfriend cheated on me with my best friend."
"Fo reew? That girl's a ho."