Pick-up lines are crude and/or comical one-liners used to proposition a stranger for a date or sex, often intended to be humorously offensive- commonly known as icebreakers or Conversation openers. A popular topic of conversation among young same sex groups recounted like jokes ie 'Did you hear about the guy/girl....etc'.
Famous Pick-up Lines 
- Was that cannon fire, or is it my heart pounding?
- Let’s go somewhere we can be alone. Ah, there doesn’t seem to be anyone on this couch.
- S. Quentin Quale in Go West with Groucho Marx and June Maccloy. MGM 1940, directed by Edward N. Buzzell.
- Give me a kiss or I’ll sock you.
- Frank in The Postman Always Rings Twice with John Garfield and Lana Turner. MGM 1946, directed by Tay Garnett.
- If I were to send you flowers... No wait, let me rephrase: If I were to let you suck on my tongue, would you be grateful?
- If I said you had a beautiful body, would you hold it against me?
- Do you love as good as you look?
- Title of another Bellamy Brothers song, this one in 1981.
Further reading 
- Rich Ferguson (2010). Tricks to Pick Up Chicks: Magic Tricks, Lines, Bets, Scams & Psychology. Ingram. ISBN 1450560180.