A phrase to be said while violently and repeatedly stabbing someone/something with a knife or prison shank.
From Don't Be A Menace:
Toothpick: Gimme the knife boy. Keep it down man. (stabs chicken) Fo check homey fo check! I got the top bunk!
to fcking pwn the shit out of something or someone.
omf'ing g you got fo checked!!!!!!!!!!11111