A louse (Pediculus humanus).
Any germ or contaminant, real or imagined, especially from the opposite gender (for pre-pubescent children).
A sideswiper, a type of telegraph key.
A nest-building female American coot (counterpart to cooter).
A white-bodied, wood-consuming insect of the infraorder Isoptera, in the order Blattodea.
A contemptible person.
Of a chimpanzee: to catch termites by inserting a stick or vine into their nest and waiting for them to climb up it.