Top Definition
A powdery substance which is concealed during combat, and thrown into the eyes of the opponent. The intent is to cause temporary blindness.
In the movie Bloodsport starring Jean-Claude Van Damne, leb dust is thrown into Jeans face, rendering him blind.
by KENTDOG. May 24, 2010

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.