WordNet sense 1 (playfully vexing (especially by ridicule)):

quizzical, teasing

WordNet sense 2 (full of fun and high spirits):

playful

WordNet sense 3 (abusing vocally; expressing contempt or ridicule):

derisive, jeering, gibelike, taunting

WordNet sense 4 (exhibiting lack of respect; rude and discourteous):

disrespectful