No, I'm Still Rael
"You know, Spock, I could just about kiss you on the mouth."
Spock raised brow. "Indeed you could, Doctor, but it remains to be seen whether or not you would."
McCoy snorted. "You think I'm afraid of you? You, you wonderful, sensitive, sharp, determined Vulcan?"
"Not myself. The captain."
"But I'm not." - "Oh?" - "Thhink I'd like to kiss him too."
This would be the juncture at which Kirk whispered, "I think he's drunk, Bones," if Bones himself were not "he". So, Kirk just gave Spock a look, then another, and then didn't stop looking for a very, very long time.