...
OOFTA - A mild expression of error, dismay, or concern (often in a comical sense) - not an acronym
...
yeen - you ain't
...
Welx - Welcome
...
ZUP - What's Up?
...
FULLA - Full of
...
Y'ALL - You All
...
Outta - Out of
...
BCOS - Because
...
SO'S - So Is
...
I'D - I would
...
I'VE - I Have
...