An installation that is performed to a sub par or unworkmanlike manner. Typically done by unskilled or intellectually disabled tradesman, but often done by contractors who knows better but choses to cut corners.

A worm is a person who does everything he can to keep his job, including but not limited to throwing his fellow workers under the bus ,brown nosing the boss in such a way that he makes no attempt at hiding it, and basically being that employee everyone hates.

To shove a finger into an unexpecting victims anus
(whilst they are fully clothed)and proceeding in shouting wormy at the top of your voice when doing it.

a word use to define anything.

dirty; wrong

noun.
1. A small mystical creature of unknown origins sort after for their soft fur and strange stomach lining.

2. Hunted for prey.

When someone is being a big super slut.