look up any word, like dirty sanchez:
 
1.
What's the difference between a crippled coal miner and O.J. Simpson?

One is a numb digger.
by Bill the Cat May 22, 2008
 
2.
When a big black guy gets his dick numb then he sticks it up a mans ass and digs it out
Stewey received a numbdigger when he went out last night.
by Protosz February 29, 2008