is used towards ones who always complain because they think that their opinion and they are most important. Commonly are creeping, infantile and sometimes are backstabbing. They also may use =) and those.
An Asscalade is an oversized useless vehicle driven by stuck-up bitches and pompous ass-holes who think they own the road. These drivers will also cut you off, usually without a signal, because they think they own the road.