troll in German

(originally, Scandinavian, _, mythology, now, also, European folklore) a giant supernatural being, especially a grotesque humanoid creature living in caves or hills or under bridges. [from early 17th c.]

(figurative, originally, Internet slang) To post irrelevant or inflammatory statements in an online discussion in an attempt to start a heated argument or to derail a conversation, either for one's personal entertainment or as part of an organized political campaign. [from late 20th c.]