Originated in the town of Sussex which is located in Wisconsin. The term reefers to the words you yell while in the act of throwing a (usually large) object through your or a coworker's/bosse's office window (most commonly in an industrial environment).
-To add effect-
-from a high office overlooking work floor
-illegaly be in the building
-before you quit
-in an abandon factory/building
-workplace of an ex
-after company does not make bottom line
boss- " DAMN WORKERS AIN'T DOIN SHIT!!!!!" (Dwads)
boss- (throws chair through window over production floor)
It often is used between friends as a joke.
It is also spelled; D-Wad, Dwad or "D" Wad
Also meaning someone is a dick, but not a full dick, so they are a dick wad; or piece of dick.
Michelangelo: Well Youre a D Wad