its a ki blast that is gathered by all of nature through the body and formed into a ball. it has a very destructive power behind it. sorta like Goku
's spirt bomb
Using the both hands with the heels touching, one normal and the other inverted, to sexually stimulate a partner with the top hand in the ass/anus and the bottom hand in the vagina/scrotum/dick. Essentially a more forceful Shocker or Reacharound. Bonus points for actually winding up and shouting "HADOKEN!"
The meaning of messing with someone til they reach their breaking point. This can also mean the desire to hang out with someone or in other words, turn up. And also it means to make someone's day.