douken steming from its route word hadouken. its a sudden blast or burst of doucheness that is so random it makes people want to punch themselves in the face and murder others around because it's so damn annoying.
yosh: hey does your tv get HD channels?
Chad: of course it does! my TV is way better than yours!!!
Yosh: WTF? you're such a doukendoucher chad!
(yosh proceeds to punch himself in the face and wants to now murder chad)