the act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances; "he ignored their teases"; "his ribbing was gentle but persistent"

playfully vexing (especially by ridicule); "his face wore a somewhat quizzical almost impertinent air"- Lawrence Durrell

causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong"

playful vexation; "the parody was just a form of teasing"

Teasing is a word with many meanings. In human interactions, teasing comes in two major forms, playful and hurtful. In mild cases, and especially when it is reciprocal, teasing can be viewed as playful and friendly.

Bringing the stallion into the presence of the mare to see if she will mate.

arousing sexual desire without intending to satisfy it; "her lazy teasing smile"

the act of removing tangles from you hair with a comb

to excite sexually but without fulfilling implied message.

In heat.