The definition is spot on:Koolaid Drinker
- People who believe anything they are told. People who refuse to change there minds when confronted with facts. A koolaid drinker is the liberal democrat who is liberal because they are told they should be. They have made no attempt to decide why the are liberal.Often a koolaid "drinker" simply wants to hate anything a republican does good or bad
Koolaid people are the vocal howard dean wing of the democrat party.
Note: Dick, the highlighted text fits you like the finally tailored suits Bill O'Reilley wears.