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1.
The "echo effect" is when a slogan or jingle get's into everyday talk. Advertisers love to get people to incorporate slogans into regular conversation.
Echo effect examples: Wendy’s “Where’s the beef?” or Miller Beer’s “I love you man!” Nike's "Just do it!" These brand slogan reverberated in pop culture and infiltrated our everyday conversations.
by Oscar LaVilla January 24, 2008
 
2.
the all male acapella group from niles west
just a bunch of guys, from niles west high, with class. not only do these goodloooking gentlemen have style, but can sing like heavenly angels. their just ordinary gentlemen, perfect harmonies time and again.
snap! did you see echo effect last night? they killed it!
by droppouut April 06, 2011