"Whaddafah" as in "What the fuck?" said rather quickly and in a hurry. This was coined after a year of living in student accomodation, with many shocking things going on.
TeKK: Oh my god this char is so kawaiiii!
Stanto: Whaddafah!?!
TeKK: This game character, looks cute... dude.
Stanto: Err, okay.
Asians who names rhyme with Mao and Chow and whoa talk lika dis cuz dey soo asiann use "whaddaheck" instead of white people words like "darn it" or "fiddle sticks". They use it especially when they dont get a 100 on a math test or when there is no more rice.