Related Clues:

• Kid's enthusiastic "I do!"
• Repetitive cry while waving a hand
• Quickly spread cultural idea
• First-grader's attention-getting phrase
• '... plus c'est la -- chose'
• Cultural equivalent of a gene
• Volunteer's cry
• "Who wants ice cream?" response
• Internet ___ (viral phenomenon)
• 'Bed Intruder Song,' e.g.
• Internet ___
• "Who wants candy?" response
• Rebecca Black's 'Friday,' e.g
• Internet __
• Viral phenomenon on the Web