look up any word, like bukkake:
 
1.
A fictitious name place.
I've been to Kookamunga and back again today!
by C Carson August 08, 2003
 
2.
Used for exclamatory purposes. Like when you are really excited. Can be shortened to just "kook". The O sound is held out longer the more important it is or the more surprised you are.
Him: So I got an F on my term paper
Her: Kooooook!

Him: I won the lottery yesterday!
Her: Kookamunga!
by Taylor McKnight April 11, 2003