What is ABF?

Goodness, Kaitlyn is such an ABF

ABF - meme gif

My ABF still hasn't asked me out but I know he will eventually.

Active Bitch Face

The look you get when you piss off a girl with RBF.

I gave him my ABF after he called me a hoe.

If you think my RBF is scary... you don't wanna see my ABF.

Every morning I walk into my kitchen and see that my cat ABF

"OMG he hasnt asked me out yet but he will, hes my abf!"

Angry Black Female: they always seem to be having the worst day imaginable.

Bill: "Hey Jon, did you get me a shake?"
Jon: "No, she cashier was a total ABF."

They ABF at the Hotel parties.

Angry Bitch Face. Like RBF but when you furrow your eyebrows while doing the simplest of tasks, thus making you look angry and coming off as a bitch.

“Why are you so angry watching TV?”
“I’m not, I just have ABF.”

ABF, Adult Breast Feeding is An adult Male or Female who takes pleasure in feeding from a lactating woman's breast.

Nursing

"All but face". A woman that has a beautiful body, but unfortunately has a mediocre face.

Wow, that woman is totally ABF. It's unfortunate because she could be a knockout.