A viral social disease that causes an immediate desire to reproduce. This virus is transmitted by a variety of vectors, including exposure to children's playgrounds, visits by nieces and nephews, reality television, glossy magazines, nagging parents.
Signs and symptoms: cooing, wistful staring at small hats and gloves, reading books of names, aversion to latex...
"Dude, I dodged a bullet, after we broke up the ex got a mean case of brabies and now she's knocked up."
"I'm avoiding that brabid dude, I'd prefer to be mobile for the next two years."