Top Definition
One Invitro fertization procedure entails inserting a five day old embryo (Blastocyst) with a fancy turkey baster into the womb of a prospective mama. When the hopeful mama arrives home she tells her other children that they are going to be getting a Blastosis.
Mama sez our Blastosis is going to look like Lindsay Lohan.
by Mr. Chips April 20, 2006
5 Words related to Blastosis

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.