When someone smokes crack for way too long and their face begins to shrink from the top and the bottom. The end result looks just like Smeagol.

The art of finding people know, but don't know...via social networking sites such as Facebook or MySpace and the like.

The Smeagoller simply uses his/her cunning to find the person they're after.
If you successfully "Smeagol" (find) the person they are said to have been "Smeagolled"

Verb: To act in a sneaky, sly, or conniving manner. Generally, when one 'smeagols' something from another. It's a sneaky form of thievery, generally between friends, and is not used to express anger. It can be used in different ways however, for instance, cutting in front of somebody in line (He smeagolled his way to the front). As long as it's sneaky and lightly dishonest, it's 'smeagolling.'
Derived from the character Smeagol in lord of the rings.

the equivalent of a crackhead in the real world.

The act of convincing a friend to do something fun, when he or she clearly has other responsibilities and/or sleep to attend to. This strategy is often employed when seeking another player for a video game or board game.

in reference to the character smeagol in The Lord if the Rings; a person who lurks, creeps, or wiggles their way into a situation or in order to get something.

1. (noun) A twisted, anorexic creature that desires one thing alone: the One Ring.

2. (verb) To be obsessively selfish or possessive over an object or person.