2 definitions by Vossy
by Vossy July 11, 2008
It is a respiratory disease where you breath in volcanic dust or other fine silicon dust. Also a really long word you can say to impress your friends, and make you seem smart.
Pranda got pneumono ultramicroscopicsilicovolcanokoniosis after he climbed into an active volcan and took a deep breath.
by Vossy May 26, 2006