Enornormous big green thing, similar to an iguana or dinosaur, that has a 20 foot long "pecker".
The crocodile hunter wishes he had a pecker as big as the goanna.

I'm gonna humpahh goanna.
by Heather and Lauren February 14, 2004
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When one gives oral intercourse to a male partner while supine, with the scrotum inside the mouth and the tongue reaching down to as close to the anus or the perineum as possible. The sloppiness comes from the salivary secretions as lubrication.
Elaine B is a sneaky gecko who gave me a sloppy goanna. Fair dinkum.
by Basr92 May 9, 2020
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An item of clothing a young man keeps hidden in his room, usually under the mattress with his porn magazines
He cleaned it up with his Goanna Rag
by Pottiechase October 23, 2016
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when a guy is fucking a girl from behind in the vagina then pulls out and goes into the ass, the girl gets shocked and climbs up the wall in a goanna like fashion.
last night i was rooting christy against the wall and i wanted some ass so i went in for the kill but she got so shocked she climbed that wall like the goanna!
by P-Dildo December 13, 2010
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