look up any word, like b4nny:
 
4.
a kook is a poser who turns up in the beach car park wearing a top of the range wetsuit and carrying a spanking new surfboard, checks the surf for an hour before actually going in, when it is so obviously pumping, then when he enters the water proceeds to splash around like a drowning rabbit. tip stay at home
check out the kook in the pink wetsuit
by snuffles October 16, 2004
 
15.
When a surfer chases seagulls into 50 degree water.
-Did you see that dumbass?
-Yeah, he's a straight up kook!!!!!!
by lostgrl1327 February 17, 2011
 
16.
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.
Dave's such a kook.
Old mate is kookin it so hard.
by K Biscuit December 03, 2010
 
17.
somebody who cant surf or do an activity or sport worth a darn. somebodywho doent know what they are doing or thinks they are good at something, but in reality they suck at it!
that guy is such a kook
by kbolgeez February 02, 2010
 
18.
Somebody who poses as a surfer and talks about surfing all the time to people who don't surf because they know that non surfers won't realize how kooky the person really is.
(In the middle of a crowded room)
"Drake, I'm gonna snake you so hard every wave you kook!"
"Shut up Jordan you know Im gonna bust an alleyooper all over your face!"
by Bluntrauma December 22, 2009
 
19.
Impolite Hawaiian word meaning unskilled beginner (including, but not limited to surfing).
Did you see that guy face-plant into that wave?

Ya, what a kook.

I've tried surfing for 6 months now but all I can do is ride the white wash.

You're a kook.

I can't paddle my board out of the way of other surfers.

You're a kook.

I go surfing at places that are beyond my ability and get in the way of other more experienced surfers.

You're a kook.
by dubadeba September 20, 2012
 
20.
someone who is frothing way to much. they are way keen for something and then make a fool of them self
"you are such a kook udy" "that guy kooked that wave so hard
by 2103BMAN October 15, 2010
 
21.
an eccentric person
His uncle was downright kook. (example of kook)
by The Return of Light Joker August 09, 2010