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.
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!
When you nonchalantly place multiple bagels strategically on top of one's lawn as revenge. Minimum bagels-10
When your peer pours milk on your head in the cafeteria and embarrases you, you retaliate by bagelling them. Usually a girl to a boy. Gingers are not allowed to recieve the honor.