smeagol

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.