quizzical (
http://definr.com/quizzical)
adj 1: playfully vexing (especially by ridicule); "his face wore a
somewhat quizzical almost impertinent air"- Lawrence
Durrell [syn:
mocking,
teasing]
2: perplexed (as if being expected to know something that you
do not know); "he had a quizzical expression" [syn:
questioning]