Guys, help me please. My hair?

Guys, help me please. My hair has just been chopped by my school's warden. **** him. And a few weeks my friends and I organized a reunion with all my old friends. I dont want to show my WEIRD hair to them! Do you guys by any chance know how to make my hair grow longer besides waiting like a stone? HELP PLEASE. MY HAIIIIR! I'm ready to invest, but it is better if you guys show me how to use the natural way. I mean the CHEAP way :P so please help guys. Dont hesitate to try to give suggestions. HELPP