Oh, Cynthia, what are you thinking?
4 seconds sound clip from the Dazed and Confused (1993) movie soundboard.
You can hear this line at 01:07:52 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, great. Oh, God. What a dick! That was so creepy.
- Do you realize when he graduated we were, like, three years old?
- Oh, Cynthia, what are you thinking?
- I guess.
- Hey, Wood is here for the quarter race, baby!
- Hey, Benny. You better have your wood screws, 'cause I'm gonna blow your doors completely off!
[...]