Something that you love and hate at the same time, like Schrodinger's cat which existed in a state of being both alive and dead. The quantum superposition of the two emotions (love and hate) may collapse at some point in the future.

Schrodinger's Marmite can be used instead of the term Love Hate Relationship
Bill "I really like watching YouTube videos"
Ted "I have a love hate relationship with it, for me it's Schrodinger's Marmite"
Bill "oh you are just too clever for me"
by Mr. E. Mann. June 25, 2013
Get the Schrodinger's Marmite mug.
The politically correct way to describe a man that regularly inserts his penis into another man's anus
"Gee Frank, Timmy doesn't walk so good anymore"
"He must have met a Marmite Miner"
by Badlydrawnduck October 23, 2006
Get the Marmite Miner mug.
When a girl has black poop in between her vaginal lips (labia) but the outside is clean. It's a "Marmite Surprise" when you spread her lips.
John: How did your date with Sarah go? Did you score a home run?
Dave: Yeah dude, it was great. Even got a Marmite Surprise! I didn't even know she was into that sort of thing...
John: Aw man! You always have the best dates!
by woofles July 14, 2015
Get the Marmite Surprise mug.
someone who would partake in anal intercourse with other men, "mining for marmite" with their penis
john loves to take it up the ass, he's a marmite miner
by hacksore March 19, 2003
Get the marmite miner mug.
A 'Marmite Situation' is the name we give to an object or person who you can only love or hate and can not have ambiguous feelings about.
I see myself as a marmite situation, dear - You either love me, or hate me.
by Jack H.R July 5, 2007
Get the Marmite Situation mug.
A refference to the rectal passage way...
The dirty cunt likes to take it up the marmite motorway...
by Mark Weldon September 17, 2003
Get the marmite motorway mug.