(Knot me - I now better.)

kraken

nautical

leagues

=====

*As in 20,000 of the damned things.  Why nautical measurements retained leagues for so long, as opposed to miles - or even the soul dead kilometres - is a mystery to me.  But it adds a certain something to old stories and some modern Fantasy novels.

The Wikkipedia entry about leagues, hugely variable,  will fry your brain ;-)

sea

Atlantic

cerulean

(As I understand it, Gyppo, there's no definitive agreement as to how long a bloody league is anyway!  General consensus seems to be about three miles, but you can't count on it.)

nincompoop

(From back when people weren't afraid to use longer words to insult others.)

popinjay

(for example)

yob

well, insulting anyway

bozo

osprey - which is what young eagles call one another to be rude.  (Buzzard is entirely beyond the pale.)

yon

nerd

dork

knit