WORM

any of a number of creeping or burrowing invertebrate animals with long, slender soft bodies and no limbs.

a weak or despicable person (often used as a general term of abuse)

a helical device or component.

a self-replicating program able to propagate itself across a network, typically having a detrimental effect.

move with difficulty by crawling or wriggling

insinuate one's way into

treat (an animal) with a preparation designed to expel parasitic worms

make (a rope) smooth by winding thread between the strands.

write-once read-many, denoting a type of memory device.