A person that you would also refer to as a loser. Generally directed at mates when they say or do something ridiculously idiotic. Can also say someone is 'kookin it' if they are doing something dumb, like re-dating their bimbo ex-girlfriend.
by K Biscuit December 4, 2010
Get the Kookmug. a poser who wears all the latest clothes for skating or surfing. and they could be assholes sometimes. they r really gay and they dont know shit about skating or surfing.but they can be really hot sometimes.
by Ryan Woods January 10, 2009
Get the kookmug. by Mark June 1, 2003
Get the Kookmug. 
Get the kookmug. Soccer moms need to stop being trying to be KOOKS and let children live thier lives and learn from thier own mistakes.
by Charles Hall III February 15, 2008
Get the KOOKSmug. A person who claims they are doing good things for you, however are making your situation worse. Example: Dentists and chiropractors.
I went to the kook dentist that told me I needed 12 cavities when my teeth don’t even hurt.
The chiropractor pushed my spine in ways I’ve never felt before, now I have to see that kook every week.
The chiropractor pushed my spine in ways I’ve never felt before, now I have to see that kook every week.
by KingGriff December 6, 2018
Get the Kookmug. by Urban Did-a-Dirty June 8, 2022
Get the Kookmug.