a sexual act when you fuck a chick (or guy if your gay) in the ass till you cum. then when they shit you shove it in their mouth.
Person 1: Dude Dave gave Emma a Marshmallow Brownie last night!
Person 2: Really?!?!? Did she eat the whole thing?
Person 2: Really?!?!? Did she eat the whole thing?
by Goat balls? September 17, 2011

Overindulging in too many delicous marshmallows at one time, causing bloating, sickness and stomach pain.
'Oh dude, i had marshmallow malady all night from sitting around that camp fire but it was so much fun.'
by ScottyDog1989 August 6, 2009

by smack_tits January 10, 2011

This is a dance mainly done by the rose drinkers of the south west,
the dance involves bending forwards as to touch your hands with ur toes and relaxing ur body and wiggle around, therefore taking on the appearance of a marshmallow, best danced to fedde la grand or something of similar chav beat,
the dance is set to hit the club scene in a big way this 2008.
the dance involves bending forwards as to touch your hands with ur toes and relaxing ur body and wiggle around, therefore taking on the appearance of a marshmallow, best danced to fedde la grand or something of similar chav beat,
the dance is set to hit the club scene in a big way this 2008.
by kateisgay December 7, 2007

Malt-O-Meal's variation on General Mills' Lucky Charms®. The marshmallows have pirate shapes such as parrots, treasure chests, shovels, and jewels.
"Try Marshmallow Mateys® if you like Lucky Charms®. Independent tests prove Marshmallow Mateys® tastes every bit as good as the more expensive brand. Great taste, all the same vitamins and minerals — the big difference is the price. Try it today! Great Taste, Better Value!™"
by NerdApple May 19, 2007

noun
1. A very sweet white spread resembling marshmallow candy.
2. The answer to life, the universe, and everything that has ever been created.
1. A very sweet white spread resembling marshmallow candy.
2. The answer to life, the universe, and everything that has ever been created.
by Kickass Kyle September 7, 2009

by lauren March 23, 2004
