Noun | 1. | ![]() unwelcome person, persona non grata - a person who for some reason is not wanted or welcome disturber - a troubler who interrupts or interferes with peace and quiet; someone who causes disorder and commotion hellion, devil, heller - a rowdy or mischievous person (usually a young man); "he chased the young hellions out of his yard" hellhound - a very evil man inciter, instigant, instigator, provoker, firebrand - someone who deliberately foments trouble; "she was the instigator of their quarrel" cut-up, hoaxer, practical joker, prankster, tricker, trickster - someone who plays practical jokes on others rioter - troublemaker who participates in a violent disturbance of the peace; someone who rises up against the constituted authority |