Define Fast As Fuck Meaning

Fast As Fuck
Something that is very fast.

That BMW is fast as fuck.
By Bunny
Fast As Fuck Boi
The Single Fastest Boi you can think of

Jack: hey jim how fast are you?
Jim: Fast as fuck Boiiiiiii
By Lauryn
I Am Fast As Fuck Boi
Means the speed is too fast and can't be calculated by asian calculator and also Big Shaq

I am Fast As Fuck Boi , that's why I make a girl pregnant and she and her family can't find me .
By Jaymee
Fast As Fuck Boy
A phrase used by the youtuber Daniel Keem, aka Keemstar.

Keemstar: Do you have any idea of how fast i am?
random person:.....
Keemstart: IM FAST AS FUCK BOYYYYYYYYYYY
By Melosa