Marmite

Adjective,
Marmite can be used in the simple term to describe something that you'll either love or hate

Shopper 1: Janet, do you think i look good in this sequined, flamenco pink, 1920s inspired dress?
Shopper 2: I don't know, it seems very marmite

Marmite

Steals gf's
He wont come for you tho cuz you aint got a gf haha

Person: Marmite wtf
Marmite: moans in a bubbly way

Marmite bagel

Used to describe an anus slightly coated in shit.

Would you like to come back to mine for a marmite bagel?

Your marmite bagel last night was phenomenal

You will never touch my marmite bagel again