The Glade 4.0

I'm trying to remember a movie I saw over a decade ago, perhaps in the early 90s? I don't remember much about it. I want to say the movie was set in the 50s or 60s. I think the movie was about a group of girls, possibly on a vacation of some sort after graduating? The only things I remember for certain are mention of a trip to Myrtle Beach, and a scene that took place during a party at someone's house. A guy and girl were hiding from the crowd under a table in the kitchen. They were drinking beer through a straw, and the guy did a Bullwinkle impression, saying "Hey Rocky, want to see me pull a rabbit out of my hat?" I think he may have messed up the line, because they both started laughing afterwards.

It's not much to go on, but does anyone know what movie I'm talking about? It's been bugging me for days, since I heard mention of Myrtle Beach on the radio.

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Shag?

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In time, this too shall pass.

The title doesn't ring a bell, but looking at the memorable quotes on imdb yields a quote that I recall. I think that's probably it, thanks.

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http://www.imdb.com/title/tt0098300/movieconnections

Yeah, bullwinkle quotes, set in 60s, and mention of Myrtle beach..... all my google-fu points to Shag.

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Les Zombis et les Loups-Garous!