Whats the Fastest Way to Get Clean?

What is the fastest way to get clean if you have done the drug ice? Its a form of meth and i am taking a drug test tomorrow and i really need to get clean. does anyone have any suggestions?
lol ok im not addicted i use it for partying and i cant loose my job cuz i dont have it yet lmao ppl are funny… this is also a serious question not something to criticize me on

cocaine effects