for sure

It means for real, it is a part of the izzle dailect, in which you take the first letter and add izzle, in which most are like this. In this case making for into fa and adding sh and then izzle.
It may also be said foshizzle, forshizzle or fashizzle, never is it forizzle.

same as 'fo sho' or 'tru dat' or 'yes'. Derived by blending and twisting 'for sure' in a Snoop-esque manner

Yes...plain and simple

Up in smoke. To fail or end weakly, especially after a hopeful begining. Stopped working.

like stupendously good

when you have comsumed all your weed and can't find anymore