A marselis is a term used to describe an extremely problematic day you would be having. Usually a day in which nothing is going right, and everything you touch, you break.
I'm having the worst marselis day you've ever known.

Everything I do today is marselis.

I've marselised my day up today.
by eboogle February 18, 2009
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The act of sticking a mars bar into ones vagina/anus/any other inappropriate cavity of the body besides the mouth, then eating it.
1. HER: "Hey you have a bit of chocolate in your teeth"

HIM: "Oh, yeah, I was just marsing my girlfriend."

2. HIM: "Wow, your vag tastes like mars bar."

HER: "Yeah, that would be because I was recently marsed."
by Hong Long September 26, 2009
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The act of smushing your nuts against someone. It derives its name from the fact that Marzipan is made from mushed nut paste, and also it functions as a parallel to "mooning."
He was just marsing his gym teacher, do you think he'll get expelled?!
by FrankYuji March 1, 2018
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Male response to stimuli as a result of the culmination of all thoughts and ideas which may influence a man's perception at any given time. Often contributes to serious miscommunication, especially with the opposite sex.
Thanks for taking out the trash. I mean that exactly, don't go marsing it up on me.
by JeniJeni July 22, 2015
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To screw over a friend, often hitting up your old girl
Man, he really Marse’d me!
by Woodpecker43 July 2, 2019
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sexy hot dilf with abnormally big dick and extremely hot ginger son
that mans a real marse
by berthen March 10, 2022
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what I ask you to kiss. what i sit on.
when i drop my drawers please kiss marse.
by schmergeler February 23, 2005
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