Top definition
When a girl is riding your face and then takes a shit on your chest, and you feeling the shit look down at your chest flattening the shit with your chin into something that resembles a platypus bill.
I was totally revenge fucking this guy and then i gave him a Musty Platypus cuz he was a douche.
by Lemegena December 21, 2010
Get the mug
Get a Musty Platypus mug for your dog Larisa.