The absolute lowest species in the rodent family. A person with no conscience who will stop at nothing to rat somebody out. Slandering, lazy, unworthily cocky, and to put it bluntly a filthy rat.
Guy 1: hey man, guess what? I'm suspended for two weeks without pay because that rat Felix Olivas snitched me out to IA. Now I'm getting moved to day shift Team 5.
de Western Hemisphere adventurer6 14 mars 2013