Acronym for "Don't worry about it, forget about it." Can be used to tell someone your business isn't theirs, or just to fuck with someone when answering a question you don't feel like giving a real answer to. SeeDWAI
Example one:
Jim: Whats good man?
Dan: Not much, how 'bout you.
Jim: Why are there all those bruises on your face, did you get into a fight?
Dan: DWAIFAI
Example 2:
John: Who is your ISP?
Dave: DWAIFAI
John: Wha?
Dave: DWAIFAI
He may not be German, but the quality of his dick is outstanding. The girth of his celestial schlong can not be comprehended by a mortal man. Although he may seem innocent at first, he'll still invade you from behind and that doggy just won't let go. The legend fortold that the average dick size massively jumped, all thanks to Dalifoski.
I hear Dalifoski has a massive cock... Not even gonnaask, it's all obvious now.
At the beginning of time there was Dalifoski and his masive super-cock