"Good night, and good luck," e.g.

• Genitals mostly involved as point of joke
• Something funny in setting of gelatin
• Trailer phrase
• Entertainer's signature
• "One man's struggle to take it easy," for "Ferris Bueller"
• "Just do it" for Nike
• "She walked off the street, into his life and stole his heart," for "Pretty Woman"
• Quotable bit on a movie poster
• Nike's is 'Just Do It'

Wikipedia Word definitions in Wikipedia
In entertainment , a tagline (alternatively spelled tag line ) is a short text which serves to clarify a thought for, or is designed with a form of, dramatic effect . Many tagline slogans are reiterated phrases associated with an individual , social group ...