Definition of teases:
(v) :
(transitive) To poke fun at, either cruelly or affectionately in a playful way.
(v) :
(transitive) To provoke or disturb; to annoy.
(v) :
(transitive) To manipulate or influence the behavior of, especially by repeated acts of irritation.
(v) :
(transitive) To deliberately arouse someone sexually with no intention of satisfying that arousal.
(n) :
One who teases.
(n) :
A single act of teasing.