Goblin
Part of speech: noun
Definition: A mythical, humanoid creature, often found in contemporary fantasy. A nature spirit in Heathenry.
Troll
Part of speech: verb
Definition: To saunter, especially in order to find a sexual partnerTo entice fish with bait; to fish using a line and bait or lures trailed behind a boat.By extension, to search (for), to draw out, to enticeTo disrupt the operation of an online community.To move circularly.To sing the parts of in succession, as of a round, a catch, and the like; also, to sing loudly, freely or in a carefree way.
Part of speech: noun
Definition: A supernatural being of varying size, now especially a grotesque humanoid creature living in caves or hills or under bridges.An ugly person of either sex.An instance of trolling, especially, in fishing, the trailing of a baited line.A person who posts to a newsgroup, bulletin board, etc., in a way intended to anger other posters and to cause drama, or otherwise disrupt the group's intended purpose.A deliberately inflammatory post to a newsgroup, etc.