1. (n.) a term used to describe the unmistakeable mustache that is usually sported by typically older emergency responders ranging from firemen, EMT's , Paramedics and sometimes law officers. 2. ( n.) acronym for Emergency Responders Mustache
regardless of the the ERM, danny the EMT was able to work his way threw the crawl space to save the child.
that guy has the ERM going on, he must be a fireman