I Drink Your Blood (1970)
Riley Mills: Pete Banner
Sylvia : He's not drunk, stupid. He's been doped!
Pete : Huh?
Sylvia : With that stuff that they call LSD. The whole bunch take it.
Pete : What does it do, that L-whatever you call it?
Sylvia : Boy, you really don't know anything. Well, it makes a person crazy.
Pete : Wow! Is that what *they've* done to Grampaw?