orgasm?

ive been masturbating since a young age. and ive used everything; showerheads, hand massagers, electric toothbrushes, running bath water, vibrators, EVERYTHING!!! and i have NEVER orgasmed. not once. not ever. to be honest i think my clit it broken or something, because whenever i get aroused and start to masturbate, instead of orgasming, i pee :P help?? i want to know what its like, and how to achieve it..