troll2

verb

• 1fish by trailing a baited line along behind a boat:we trolled for mackerel
• carefully and systematically search an area for something:a group of companies trolling for partnership opportunities [with object]:I spent tonight trolling the Internet for expensive lighting gear

• 2 informal submit a deliberately provocative posting to an online message board with the aim of inciting an angry response:if people are obviously trolling then I’ll delete your posts and do my best to ban you [with object]:you folks taking this opportunity to troll me, you really need to reassess your values in your life

• 3 [with object] sing (something) in a happy and carefree way:troll the ancient Yuletide carol

• 4 [no object, with adverbial of direction] chiefly British walk; stroll:we all trolled into town

noun

• 1 informal a deliberately provocative online posting intended to incite an angry response.
• a person who submits a deliberately provocative posting.

• 2a line or bait used in trolling for fish.