look up any word, like sex:
 
1.
Someone (usually someone in the drug trade) who only speaks through others or telecommunications. They are often never seen.
Drug Dealer #1: Yo, who's this Heisenberg guy?
Drug Dealer #2: Breh, he's a wordmule. *shakes head*
Drug Dealer #1: *shakes head*
by wordmule December 15, 2013