In the same vein as Eternal September, Summer Posters are the group of people of which online communities tend to blame whenever the general quality of posts on a given website drastically drops due to vacation days giving newbies plenty of time to post.

Although this can typically happen on any day of the year that provides students/workers vacation days, the "Summer" part comes from how school-aged children are notoriously terrible posters, and are typically blamed for whenever quality in posts begins to drop.
"Dude, why is one of the biggest threads on the forum still up there after two days?"
"That's just one of the Summer posters. The OP is clearly a young kid who started an argument with those responding to him."
by Idiotinfrontofadesk September 29, 2021
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