The abbreviation or "we all" similar to y'all. Commonly used in the South and on Martha's Vineyard.
Emma: Hey, w'all gotta go to the movie soon!
Carly: OK, but w'all better go to my house later.
Will: W'all need to shut up, we're gonna get kicked out of the movie.
Peter: W'all should just leave. Transformers sucks.