How do I get over...?

...stuff that happened to me in high school? I was physically abused, alienated by the majority of students, and also horribly mentally tortured. Rumors were spread about me, such as me being gay (not true, am engaged), etc. The stuff has caused me some intense emotional disturbance. I have now become a very bitter person, irritable, easily angered, and very spiteful of people in general now because I now generalize them all as evil except for a few. I now feel disgusted with life, as I now feel twice my age and like there is not much of a reason to live. As a result, I find myself turning to alcohol to cope, which isn't good. I just knocked back some bacardi limon and feel like I'm flying. I'm sick of hating myself and the world. Please help if you feel you can. Thank you.