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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 January 07, 2016
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2
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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3
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 June 05, 2018
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4
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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5
Making out with someone and they happen to bite your lips and tongue, constantly. The consistent chewing can lead to numb lips and tongues.
me: last night, oh the marshmallowing!
her: ohjeez, did he really bite you that much?!
me: lets just say, my lips are still numb.
by summersesh December 30, 2009
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