"fo shizzle ma wizzle" is a bastardization of "fo' sheezy mah weezy" which is a bastardization of "for sure mah wigga" which is a bastdardization of "I concur with you whole heartedly my friend who wishes he was an African american brother"
For sure, my wigga.
(Certainly, my white counterpart)
Nathan: Let's be off to purchase goods.
Vincent: Fo' shizzle my wizzle!
Nathan: I beg your pardon?
of course my caucasion friend
fo shizzle my wizzle!!1
it means i concur whole heartedly with you my white african american sista or brother!
fo shizzle my wizzle on the dizzle
the white version of fo shizzle my nizzle
do you wanna fuck in the backseat?
fo shizzle my wizzle!!
for shure mah white nigga
eminem: fo shizzle my wizzle this is the plot, listen up, you pencils forgot, slizzle does not give a fuck!!!!
For shizzle my whizzle this is the plot listen up you bizzles forgot slizzle does not give a