When you cannot get an erection but shove your cock inside the vagina or anus any way to have sex.
I was so drunk I was just marshmallowing her.
by Taverna scotiatoastie November 5, 2015
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The sexual act of shoving marshmallows into your ladies mouth with your free hand, while you hitting it from behind.
Jasper said when he was having relations with his lady last night he was marshmallowing her, His top score was 15 from what he told me.
by Tank92y May 14, 2018
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The act to spit roast a fat chick.
Dave: I met a nice fat white chick last week.

Joel: Did you marshmallow her?

Dave: Yeah we were marshmallowing all night man.
by retaH aggiN April 27, 2017
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A sexual foreplay act where a chick shoves a guys' face between her breasts and shakes it a little.
Oh yeah, we were marshmallowing last night and then things really got hot!
by Curious Georgina February 18, 2010
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when a person consumes so much alcohol they gain marshmallow like qualities such as limpness of the body and penis, mellow attitude and tendency's to become weak in warm surroundings leading to vomiting and releasing of the bowls causing stickyness.
girl 1: how did things go after the club last night?
girl 2: i got him into bed and he marshmallowed on me.

or

guy 1: i was so drunk last night
guy 2: you were totally marshmallowed
by mmmmdaly January 19, 2012
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Nickname for a person who loves sweet potato pie, per Bob's Burgers
Louise: Why is your name Marshmallow?
Marshmallow: 'Cause if you show me a sweet potato pie, I am on top of it.
Louise: I knew it!
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The manliest food in the world.

It's squishy. Often white.

Contains sugar and gelatin.

Tastes like heaven.

Used for the game "Chubby Bunny"
Mats: I like to eat marshmallows.

Lisa: Geez, you're so manly.

Xavier: Hey, wanna play Chubby Bunny?
Shay: Sure, I'll go get the marshmallows.
by awkward palm tree July 18, 2012
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