by Thunder&Tim August 15, 2011

When having anal sex with a female right before ejaculation grab her hair tight and yell out her sisters name. If she does not have a sister her mothers, best friends, or daughters name will do. Then hold on tight for the ride.
by stewb April 25, 2014

Jack: How was your one night stand?
Allan: She was insane bro, she gave me an Australian rainbow.
Jack: Thats what im talking about
Allan: She was insane bro, she gave me an Australian rainbow.
Jack: Thats what im talking about
by Aloseda Oleb January 13, 2013

When your girl is riding you from on top and she bounces a bit too high so you line your throbber up with her brown eye causing her momentum to force her onto your flesh flute.
by DirtyMikee May 23, 2016

The act of motor boating a woman's ass, sticking as much of your face into the anal cavity as possible. Upon performing this act, she begins to involuntarily defecate (shits) in your face. Unphased, you continue with your fowl deed, flinging feces in all directions.
After giving Jenna an Australian Mudflap, my face was covered in poo and there was a fair amount of shit everywhere.
by macdaddyphatsack February 5, 2015

Named after the raspberry where one wiggles your finger across your lips when blowing air.
When a man and woman have been having really rough sex and when he pulls out, she's queefing and the man wiggles his finger across her meat curtains.
When a man and woman have been having really rough sex and when he pulls out, she's queefing and the man wiggles his finger across her meat curtains.
My girlfriend kept making fun of me coming too fast so when we were fucking the other day, I gave her an australian raspberry.
by aiislyn July 5, 2012

by Ausyforest November 14, 2012
