Top Definition
A plant toxin extracted from Castor Beans. This has a toxicity in humans at levels as small as .3 grams. It is considered to be the most deadly plant toxin; twice as deadly as Cobra Venom.
Jimmy took some Ricin with a tall glass HCl and a Darvon Cocktail. How sad.
by Snowphish April 08, 2007

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.