A very Wrinkly Vagina. often in the shape of a muffin, It is unusual that girls get this. but if you fuck Justin Bieber there's a Huge Possibility that you will get one :D. or it will sometimes occur if you apply an extreme amount of Cinnamon Bun mixture to it.
Girl : Dude My Vagina looks all weird and WRINKLY D:
GUY: MY GAWD, THAT MUST BE A WRINKLE MUFFIN, you fucked JB.
a polite way of saying huge idiot
Hey stop being a dolt muffin, you're going to get your self banned
Someone who strongly bothers others. A rat muffin is usually very obese and is always in someone else's face.
Oh that rat muffin is so annoying!
A connoisseur's interpretation of that great British food staple, the chip sandwhich. The thinking man's terminology if you will. Sometimes referred to as a chip barm. Frowned upon when incorrectly localised to a chip cake, roll, bun, bap etc.
Jasmine went into the chippy and asked for a chip bread cake. A what? Said the proprietor? You mean a chip muffin you div. now get out and don't come back until you can speak English.
The smell that exists when a bunch of teenage boys sleep and eat in the same room for over 24 hours without showering. If you experience the ass muffin smell you are advised to internally combust, because your life is over.
zomg that hax! He UnleasHED a nasty ass muffin smell!
a child that has surpassed the classification of brat and gone in to the realm of douche.
A smaller version of a douche bag
Johnny was being a little douche muffin on the playground today and wouldn't listen to his nanny.
The hair growing down the inner thighs from a woman's pubic area, due to lack of grooming. A twist on a style of particularly bushy side burns called "mutton chops".
Before I wear my swimsuit, I need to shave off my Muffin chops.