pixieingEtymologypixie + -ing, possibly an allusion to elves due to that nickname (from the initialism ELF) for members of the Earth Liberation Front.nounSynonym of ecotage.“[…] 'pixieing' was generally accepted as legitimate, providing it did not cause physical harm to people or animals. However, some pixieing did create risks of injury, despite the attempts made to minimise them.”