1 definition by awesome chick12345678909876543

Top Definition
before Noah's ark; the period before the flood; really really old
They argued that their equipment was antediluvian and needed replacement.
by awesome chick12345678909876543 December 01, 2011

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.