A person or animal that is small to the point they are cute if you don’t love a marshmallow you are a sinner.
by Maskman December 7, 2021

by TheMine May 28, 2025

A female who has titts mainly because of how obese they are and their excess fat creates the illusion of valid breasts.
Matt: Hey dude, check out the titts on the new girl!
David: Man, that doesn't count, she's a marshmallow!
David: Man, that doesn't count, she's a marshmallow!
by thelegendarysoldier July 27, 2016

by DisneyHero2016 May 3, 2018

The male act of planking between 2 beds, likely in a hotel room, with the participant's butt faced toward the floor while masturbating to completion. The subsequent orgasm will produce ejaculate that will spray outwards and upwards dripping down onto the floor below, thus making the human "bridge" white like marshmallow.
by Paul Porter May 2, 2016

When you gather all the ingredients to make marshmallow fluff together, and right before you whip it all together, violently nutting into it.
"While Barbara was making marshmallow fluff, I waited until she wasn't looking. Than I ran over and whipped up a Malaysian Marshmallow Fluff"
by JamesNewton February 7, 2025

by Hawaiian Friday May 29, 2022
