look up any word, like bukkake:
 
1.
when a woman is laying on her side on a bed , with her ass hanging off and grabbing her ankles. The guy come from behind and puts his hands around her head in the praying position(the duck bill) and gives swift abdominal thrusts
after travis got his redwings he proceeded to give amanda a duck billed platipus
by emoney June 19, 2004