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The act of fucking a partner upside down. Reminiscent of a primitive koala bear. The position allows for comedy humour and should be repeated multiple times in one sitting. Many Australian-born males are taught such a position at an ealry age when they are sent to compulsory bush school.
Antoin: Gee Leroy, I pounded that woman like a Koala bear.

Leroy: Oh, upside down and multiple times.

Antoin: Yeah, just like we were taught at Bush school.
by El Piece July 15, 2008
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