National Lampoon's Vacation - Confidence in Romantic Skills
Cousin Vicki:
I'm going steady, and I French kiss.
Audrey:
So, everybody does that.
Cousin Vicki:
Yeah, but Daddy says I'm the best at it.
Quotes sourced from Wikiquote (© Wikiquote contributors), licensed under CC BY-SA 4.0. Modified for formatting/length.