A person who is fanatical in either their political or religious views; they will rarely, if ever, is logic when reasoning, but rather bound by emotionalism and self serving interest at the expense of the whole.
The people who showed up to the meeting who were highly emotional, illogical, and hypocritical that were seeking to ensure their self interest were a bunch of Kookoomoos
A person who is fanatical about either their religious or political views; they will rarely, if ever, accept logic and reason over emotionalism on any given issue. A Kookoomoo by nature is a hypocrite.
A bunch of Kookoomoo’s showed up to disrupt the meeting.