Fanny like Mary Poppins' bag 

A fanny which appears smaller on the outside than the inside. A very perceiving growler. A very spacious vagina.

Thought she was a standard one but nahh she had a fanny like Mary Poppins' bag

Fanny like Mary Poppins' bag by Barry Shaazaaam November 4, 2010

The Mary Poppins

The action of inserting an umbrella into one's arsehole and opening it to full capacity whilst inside their being.

Karen complained to the manager after her umbrella broke from doing The Mary Poppins too much.

The Mary Poppins by Fish finger sandwiches October 31, 2019

The Mary Poppins

The woman, or man, if that’s your cup of tea, gets down on their hands and knees and the other person puts a spoon full of sugar in their mouth and slowly inches an umbrella up their asshole.

Karen: it’s raining out you may want to take this umbrella. Jake: I’m not taking that umbrella anywhere, I won’t even touch that thing. Karen: uhhh, why the hell not? Jake: that’s the umbrella that Mike uses when he gives Lisa ‘The Mary Poppins’

The Mary Poppins by SauerCrouse51 July 1, 2020

Reverse Mary Poppins 

The act of sliding a long, staff-like object into a container that should in no way be able to hold the entire length

Did you see that sword swallower at the circus? He was reverse Mary Poppinsing that thing ALL the way down.

Reverse Mary Poppins by Erlenkonig November 21, 2019

The upside down Mary Poppins 

The act having an umbrella inserted into your anus (handle first) then your partner opens it. Followed by the act of running around creating enough draft to pull the umbrella out.

Man last night was great until Sheila tried giving me the upside down Mary Poppins.

The upside down Mary Poppins by The Original Aviator January 26, 2022

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DA BEST GAWK GAWK YOU WILL EVER RECEIVE IN A LIFETIME, YOU WONT BE ABLE TO WALK FOR THE REST OF YOUR LIFETIME AFTER THIS AND YOUR SOUL WILL BE SENT TO HEAVEN IF DONE CORRECTLY

Dave: Yo my homeboy, you want the the mary poppings supercalifragilisticexpialidocious gawk gawk vacuum chamber quadruple hand twist ushy bushy gushy sloppy toppy boppy naughty gorilla grip fade tsunami volcano eruption of semen soul snatcher combo wombo mumbo 3000?

William: No daddy, im not ready to die, im still a child

the mary poppings supercalifragilisticexpialidocious gawk gawk vacuum chamber quadruple hand twist ushy bushy gushy sloppy toppy boppy naughty gorilla grip fade tsunami volcano eruption of semen soul snatcher combo wombo mumbo 3000 by Goblin gobly deez nuts April 18, 2022

Mary Ploppins

When a female performs oral sex on her male partner while she is on the toilet deficating.

Yo man that girl from the bar last night was freaky, I totally got a Mary Ploppins.

"Hey how did last night go?" "Two words bro; Mary Ploppins"

Mary Ploppins by Doug E. Fresh to Def May 25, 2008