in Germanic and Scandinavian folklore, an ugly dwarf or giant that lives in caves or hills [from Norwegian troll and Danish trold a giant or demon]
verb transto try to catch (fish) with a hook and line drawn through the water behind a moving boatto try to catch fish in (a river, lake, etc) using this methodto search (a place) for somethinginformal to send (an email) with a contentious or offensive message intended to provoke outrageto post (a contentious message) on an Internet newsgroup notice board or other public forum in the hope of starting a heated debateto sing (something) loudly or happily verb intranschiefly Brit to stroll or wander from place to place travel writers … trolling around from free hotel to free hotel — The Booksellertroller noun[Middle English trollen to move about, perhaps related to French troller to go about looking for game, prob of Germanic origin]
the action of trollingthe bait or line used in trollinginformal an email or Internet posting designed to provoke a response