Orgasm?

How do you get a mind blowing full body pleasure type of orgasm?  
People always talk about how it's like an explosion throughout their bodies and how they get feelings of euphoria and what not.. 
Is there something wrong with me because I don't get that "feeling of euphoria"?
  I can squirt but I don't get that feeling.. I've only gotten it maybe once and that was when I had my first orgasm. Last night, I didn't get that feeling and my legs weren't shaking like the first time. Maybe I was trying too hard? Forcing it out? I don't know. Maybe there's something wrong with me..