Top definition
To motorboat down under... what more do I have to say?
Last night I was with a girl, she wasn't expecting me to Australian Motorboat her.
by Australian Motorboat Society January 04, 2009
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2
The act of separating a pair of vaginal lips with a boomerang and blowing the inside like a motorboat.
I gave Susan an Australian motorboat last night.
by Jtheslimster March 31, 2015
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3
When you put your face between her cheeks and motorboat her butthole while shaking your head violently.
I Australian Motorboated her butt until she squealed.
by lordcoppinkaz March 02, 2015
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