gerund of concern-troll

(patent law, informal, derogatory) The practice of owning and enforcing patents in an aggressive and opportunistic manner, often with no intention of marketing or promoting the subjects of the patents

plural of hill-troll

(mythology) A troll that lives in or under a hill.

Synonym of troll farm

plural of troll factory

plural of troll farm

(Internet) A group of Internet trolls organized in order to interfere in political opinions and decision-making.

(folklore) In Scandinavian folklore, a witch's familiar made from hair, wood shavings, etc. that would suck milk from cows and steal cream from people's homes.

plural of troll cat