1). A phrase uttered in dismay over losing a race in Mario Kart.
2). An insult which cripples anothers self respect, as the victim is haunted by images of fucking douches.
1). You Douchefucker! You keep getting blue shells in second place!
2). Girl: Are you cheating on me?
Guy: Yes, why wouldn't I?
Girl: You Douchefucker!
Guy: AH! Do I really have intercourse with douches?
an action or group of actions so retarded that they simultaneously contribute to an individual's status as not only a douchebag, but a complete fucker as well
'Hey did you here about Tom getting fired from mcdonalds?'
'Yeah i heard he was up to all manner of douchefuckery.'
The act of being an absolute, over-the-top douchebag, using excessive levels of dickishbehavior accompanied by a complete and utter disregard for human decency.
Did you just see that guy cut in line and then start bad-mouthing the barista? The levels of douchestickery are off the charts here!