Top Definition
A revolutionary new drug consisting of crushed Ritalin and Flintstone vitamins. Inhale through the nasal cavity to achieve maximum potency.
I raided my little brother's medicine cabinet and made some Blue Heron, want some?
by [FSiO] theWanderer October 07, 2010

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.

×