a cute australian marsupial that eats only eucalyptus leaves. A marsupial is like a kangaroo (they have pouches for their babies) they are not bears
please dont call me a koala bear cause im not a bear at all (its a song)
by 555 March 9, 2004
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A bloodthirsty mammal that will drop out of trees and rip your head off.
Koalas are indigenous to Australia. They will also drop out of trees and rip your head off.
by Bridey April 16, 2007
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the act of jumping on someone, whether they do or do not know. they may hold you or flail their arms trying to get you off. in the act of koala you hang on with all your might and just hang there.
"woah, did you see courtney just koala maddy!"
by koalabearwuvsmad April 22, 2009
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A type of marsupial that pretends to eat eucalyptus leaves. The truth, however, is that these leaves are almost nutritionally useless, and that the ebil koalas must resort to fiery warfare ending in bloody cannibalistic feasts upon scorched koala flesh that last centuries. In spite of this insanity, many people, especially female people, are fond of them.
by IAMTHELORDTHYGOD February 3, 2008
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Untrimmed bikini line/pubic hair that escapes the sides of your underwear, resembling a koala's ears
Her bikini line was so wild, when she wore panties, she was totally going koala
by Frick. October 9, 2008
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A person who clings to the couch, gets stoned, and sleeps. Much like a koala who clings to trees, gets high off the eucalyptus leaves, and sleeps most of the day.
Jane: Did you go to the movies with Tom?

Sarah: No, all he does is get baked, plays Call of Duty on his couch, and sleeps!
Jane: What a koala!!
by sean*23* November 25, 2010
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