Butterfetus 

A very attractive woman who also happens to be pregnant.

"Did you see that hot girl walk by?"
"Yeah, but too bad she's a butterfetus

Butterfetus by TrainVolleyball June 1, 2010

Butteritus 

A disease which causes the sufferer to sit on the couch all day and eat buttery foods. Butteritus sufferers are usually overweight and lazy, and make any excuse possible not to partake in physical activity. Closely related to acute Cheeto hand syndrome (ACHS.)

I'd go walk the bridge today, but my butteritus is acting up.

Butteritus by DodgerBaby April 13, 2014

Butterfeels. 

When you have that fluttering in your stomach that you really like someone.

"I really like you."

"Girl you got them butterfeels".

"OMG Janice when I saw him helping that old lady across the street I totally got them butterfeels."

Butterfeels. by HatterBatter November 30, 2014