For sure, definitely, no doubt ... emanating from the "iggity style" language made popular by the Double Dutch Bus song, Das EFX and brought back out by Snoop
Usually used in conjunction with "nizzle", both words where invented by rapper Snoop Doggie Dogg. Instead fo saying what was used until then, "Fo' sure, my nigga.", he created the phrase "Fo' Shizzle my Nizzle"
Another contraction used by illiteratestreet trash. It is 'street' lingo meaning, "for sure". Only useful for making fun of said trash.
Q: My good fellow, are you a cock-gobbling, manjam sucking, illiterateseal clubber who uses nothing but slang to vainly try and communicate with your elders and betters?