A "common meme" refers to a popular idea, symbol, or joke that spreads rapidly among people through the internet or within a particular culture. It is something that many people can relate to and share with others. Full definition
One common meme states that writing is «spending time alone to communicate with the world.» (desmoineswritersworkshop.com)
In education, the question of whether technology will replace teachers was a common meme to fight the emergence of digital learning but has increasingly faded away as a serious threat. (educationnext.org)
First, when an author has been «hurt by Amazon,» (emphasis mine to represent a common meme) because their books have been removed from Amazon's site, it's because that author's publisher could not come to an agreement with its distributor — nothing more, nothing less. (matthew-iden.com)