Newfuneese for What are you doing, how are you, what's going on and many other such conversation opener questions. Can be used in place of wazzup. Example: Hey Johnny, whadayat?
WHADAYAT (WHA-DA-YA-AT))
Meaning of WHADAYAT (WHA-DA-YA-AT)) in English
Slang English vocab. Английский сленговый словарь. 2012