This is when you are naked from the waist down wearing super thick boots. You then stand on the toilet to take a shit because you are afraid that an australian sized spider will crawl up and bite you on the ass.
"Sara saw a video online of a giant spider swimming in the toilet after some Australian flushed. Now she only takes a shitty australian when she has to poop."
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)
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
A sex act in which a male is mounted by their partner in a "piggyback" style, wrapping their legs around the the front of the body, and masturbates the male with the arches of their feet (to completion).
My quads are exhausted after that Australian Backpack I got from Meghan last night
A dark haired woman who everyone loves and trusts and their biggest rebellion in life was their second earing piercing.
Oh my, don't you think Becky is such an Australian biscuit, everybody's favorite!
when a guy/women eats out there significant other
dude i gave my girlfriend an Australian kiss
A rare phenomenon that happens when someone pees outside on the coldest of days. The name is derived from the idea that the urine could freeze into an icicle which would resemble a horn. Therefore, that person would be a unicorn down-under or an Australian unicorn.
Bryton: Dude, what's taking so long?
Matt: It froze up on me! Ahh, it's painful!
Bryton: Haha, you're totally an Australian unicorn now!!
Andy: I can relate, that happened to me once too. Ouch!