One who is excessivley inconsiderate of others, rude, over-bearing, and spits alot when speaking. Said people are often regarded as the lowest form of human life.
Variations of the term include dolkos, dolko, and dolkism
Man, that jerk is such as dolkass.
Well he just had a dolkism.
One who exhibits abnormal unpleasantness, often stupid and self obsessed.
Man, that pre-cal teacher is such a dwod