rodent
//ˈroʊ.dənt//
Noun
rodentSingular
rodentsPlural
1
A mammal of the order Rodentia, characterized by strong constantly growing incisors and no canine teeth, including rats, mice, squirrels, hamsters, and beavers.
Mice and squirrels are common rodents found in many parts of the world.
2
Informal: a contemptible or untrustworthy person.
Don't trust that rodent; he'll stab you in the back.