Top Definition
A person who takes an evangelical zeal towards advocating hydration as an approach to optimizing body, mind and spirit.
Yo, my new girl is a massive hydrationista. She's always packing water. Her pee is pale beyond the pale.
by mojo joe April 03, 2009
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.