Top Definition
A combination of the words "Greek" and "incest". Occurs when a member of a fraternity or sorority hooks up with a member of their Greek family. Major taboo in the Greek community, but it happens.
I heard that Jake the Phi Sig walked his A Phi little home from the party last night and never left. Greekcest much.
by NotASorostitute May 17, 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.