teaser

1 a person who causes repeated emotional pain, distress, or annoyance to another the teasers were never satisfied until they had caused their victim to burst into tears Synonyms baiter, harasser, heckler, mocker, needler, persecutor, quiz, quizzer, ridiculer, taunter, tease, tormentor, torturerRelated Words belittler, derider, detractor, giber (or jiber), insulter, jeerer, scoffer, scorner; trash-talker; smart aleck (also smart alec), smarty (or smartie), smarty-pants, wiseacre, wiseguy; kidder, lampooner, satirist; accuser, blamer, troublemaker; assailant, attacker, molester, victimizer; bother, disturber, pestNear Antonyms defender, deliverer, guard, protector, rescuer, savior (or saviour); comforter, consoler, solace, soother, succorer; bodyguard, champion

2 one who is obnoxiously annoying he was by nature a teaser, someone who kept testing people to see if they could calmly bear his put-downs Synonyms annoyance, annoyer, bother, gadfly, gnawer, nudnik (also nudnick), pain, persecutor, pest, tease, nuisanceRelated Words headache; harrier, heckler, interrupter (also interruptor); hassle, plague; harasser, molester, tormentor (also tormenter), torturerNear Antonyms charmer, smoothy (or smoothie); comforter, solacer, soother