1. someone of no intelligence whatsoever
2. someone without skillage
3. someone who has no major role in society
1. You don't know what the equilibriam of a two sided square witha length of x times the square root of pi to the eighth degree of radical 7 is? DIMWAD!
1. A dunderpate; a clueless moron, an idiot sans village. Beyond being moronic, the individual carries a degree of ignorant haughtiness that begs that they be summarily bitchslapped.
2. Pretentious jerk
That dilwad in the BMW just cut me off and flashed his lights at the other BMW driving the opposite direction.
Somebody who is stupid or annoying. Most likely came from the usage of "dip" a tobacco product that's usage involves dipping ones lip into a pile of it. The meaning of dipwad is literally a wad of dip, created by ones saliva, which is quite an unpleasant thing.