Australian Plumber 

A sexual act where 2 men get into a 69 position and blow really hard down each other's assholes.

Originates from the fact it was first performed by an Australian and an Italian.

Matt: Hey, wanna make out?
Dan: Wash your mouth first, remember we just did the Australian Plumber.

Australian Plumber by Rich Stone August 27, 2013

Australian Butterflies 

Like stomach butterflies, but... Down under.

"How was your time with that guy last night?"
"Oh it was amazing he gave me so many Australian butterflies. I got so wet"

Australian Butterflies by $-money the dinosaur January 15, 2014

australian boys

metafore for penis and testicles, meaning down there

Emergency Room S07E01:
Something wrong with the australian boys?

Question asked Dr. Greene after he was scrething his penis and testicles

australian boys by havarka October 1, 2014

australian earlobe 

It is known as the clitoris

I licked her Australian earlobe

australian earlobe by Tea Ray May 15, 2015

Australian armpit 

It's like a regular armpit but down under. (Cock or pussy)

Girl 1: armpit check!
(Girls sniff armpits)
Girl 2: Australian armpit check!
(Girls lift one leg high and bend over taking a sniff)

Australian armpit by livelafluv88 May 22, 2015

Australian ostrich 

When you are having sex on the beach, you stick your dick in the sand and slip it back in one swift thrust all while screaming like an ostrich.

I heard Brandon doing the Australian ostrich while camping on the beach last night.

Australian ostrich by Nschmeet June 5, 2015

Australian Monkey Cream 

The act of putting a turd in each of your armpits and squishing them down.

I ran out of deodorant so I used some Australian Monkey Cream.

Australian Monkey Cream by FreshDangler April 6, 2016