The sexual act of taking an umbrella and shoving it inside your partner's rectum, then opening it to its for extent. It was first done on accident when, the original Mary Poppins, fell down and shoved it in to John Davis' butt. Then later it was used to clean out people's ass.
Why is Lisa walking so weird?' She gotMary Poppins Last night.
A girl whose pussy is so loose and flobby(probably from being a slut)that she could jump off a buildingspread her pussy and use her pussy to float down to earth slowly.
Dillon: Did u get any from that chick last night?
Chris: Hells ya i did, but shes pretty much the biggest Mary Poppins ever!