Confirmation, denial, slap in the face? If you were the recipient of the surprise kiss, how did you feel?
In the movies, when the girl says "I don't love you," the guy grabs her, kisses her passionately, and the truth comes out.
Let's assume a best-case scenario and not something creepy, criminal or insane. This should be someone you know and have some idea of how s/he feels, not a stranger.
