Bran Muffin Edit Meaning

1.

When you are calling someone the shit because bran muffins give you the shits

That girl is a bran muffin

= That girl is the shit

2.

A phrase one uses to describe the typical vacuous, blonde, trashy bimbo, in place of, well, "vacuous, blonde, trashy bimbo," for such creatures possess the IQ of a bran muffin, and if you were to call one a vacuous, blonde, trashy bimbo, she wouldn't have the slightest idea what the word "vacuous" means. It's for the good of all.

What's he doing with that bran muffin? Granted, she's pretty hot, but she's a total moron!

See insult, bimbo, slut, trophy wife