Top Definition
A dude or chick that thinks having children is immoral. Typically also thinks the world is mainly suffering. May also be defined as a bleeding heart to the extreme.
Jack: Hey, are Jane and Nick gonna have kids soon?

John: Fuck no bro, they think that shit is wrong. Couple of goddamned antinatalists.
by akvann July 20, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.