1 definition by Dylan Roybal

Top Definition
A Disease Caused By The Inhalation Of Fine Graphite Or Silicate Particles. Longest Word In The English Language.
(Frank): Hey Jimmy, Do You Want To Come Out And Play?
(Jimmy): No Way Man, I'm Sick Again.
(Frank): With What? The Cold?
(Jimmy): Hell No! I've Got Pneumonoultramicroscopic silicavolcanoconiosis.
(Frank): Oh Shit!!
by Dylan Roybal August 08, 2006

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.

×